205562240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 546981120

約数和(自身を除く): 341418880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 797, 806, 832, 992, 1040, 1240, 1594, 1612, 1664, 1984, 2015, 2080, 2480, 3188, 3224, 3968, 3985, 4030, 4160, 4960, 6376, 6448, 7970, 8060, 8320, 9920, 10361, 12752, 12896, 15940, 16120, 19840, 20722, 24707, 25504, 25792, 31880, 32240, 41444, 49414, 51008, 51584, 51805, 63760, 64480, 82888, 98828, 102016, 103610, 123535, 127520, 128960, 165776, 197656, 207220, 247070, 255040, 257920, 321191, 331552, 395312, 414440, 494140, 510080, 642382, 663104, 790624, 828880, 988280, 1284764, 1326208, 1581248, 1605955, 1657760, 1976560, 2569528, 3162496, 3211910, 3315520, 3953120, 5139056, 6423820, 6631040, 7906240, 10278112, 12847640, 15812480, 20556224, 25695280, 41112448, 51390560, 102781120, 205562240]

約数ペア:

[(1, 205562240), (2, 102781120), (4, 51390560), (5, 41112448), (8, 25695280), (10, 20556224), (13, 15812480), (16, 12847640), (20, 10278112), (26, 7906240), (31, 6631040), (32, 6423820), (40, 5139056), (52, 3953120), (62, 3315520), (64, 3211910), (65, 3162496), (80, 2569528), (104, 1976560), (124, 1657760), (128, 1605955), (130, 1581248), (155, 1326208), (160, 1284764), (208, 988280), (248, 828880), (260, 790624), (310, 663104), (320, 642382), (403, 510080), (416, 494140), (496, 414440), (520, 395312), (620, 331552), (640, 321191), (797, 257920), (806, 255040), (832, 247070), (992, 207220), (1040, 197656), (1240, 165776), (1594, 128960), (1612, 127520), (1664, 123535), (1984, 103610), (2015, 102016), (2080, 98828), (2480, 82888), (3188, 64480), (3224, 63760), (3968, 51805), (3985, 51584), (4030, 51008), (4160, 49414), (4960, 41444), (6376, 32240), (6448, 31880), (7970, 25792), (8060, 25504), (8320, 24707), (9920, 20722), (10361, 19840), (12752, 16120), (12896, 15940)]