42205280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 108972864

約数和(自身を除く): 66767584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 103, 104, 130, 160, 197, 206, 208, 260, 394, 412, 416, 515, 520, 788, 824, 985, 1030, 1040, 1339, 1576, 1648, 1970, 2060, 2080, 2561, 2678, 3152, 3296, 3940, 4120, 5122, 5356, 6304, 6695, 7880, 8240, 10244, 10712, 12805, 13390, 15760, 16480, 20291, 20488, 21424, 25610, 26780, 31520, 40582, 40976, 42848, 51220, 53560, 81164, 81952, 101455, 102440, 107120, 162328, 202910, 204880, 214240, 263783, 324656, 405820, 409760, 527566, 649312, 811640, 1055132, 1318915, 1623280, 2110264, 2637830, 3246560, 4220528, 5275660, 8441056, 10551320, 21102640, 42205280]

約数ペア:

[(1, 42205280), (2, 21102640), (4, 10551320), (5, 8441056), (8, 5275660), (10, 4220528), (13, 3246560), (16, 2637830), (20, 2110264), (26, 1623280), (32, 1318915), (40, 1055132), (52, 811640), (65, 649312), (80, 527566), (103, 409760), (104, 405820), (130, 324656), (160, 263783), (197, 214240), (206, 204880), (208, 202910), (260, 162328), (394, 107120), (412, 102440), (416, 101455), (515, 81952), (520, 81164), (788, 53560), (824, 51220), (985, 42848), (1030, 40976), (1040, 40582), (1339, 31520), (1576, 26780), (1648, 25610), (1970, 21424), (2060, 20488), (2080, 20291), (2561, 16480), (2678, 15760), (3152, 13390), (3296, 12805), (3940, 10712), (4120, 10244), (5122, 8240), (5356, 7880), (6304, 6695)]