80457916640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1\times {\mathrm{9049}}^1$

素因数の和:10036

約数の個数: 96

約数和(自身を含む): 193431369600

約数和(自身を除く): 112973452960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 911, 976, 1220, 1822, 1952, 2440, 3644, 4555, 4880, 7288, 9049, 9110, 9760, 14576, 18098, 18220, 29152, 36196, 36440, 45245, 55571, 72392, 72880, 90490, 111142, 144784, 145760, 180980, 222284, 277855, 289568, 361960, 444568, 551989, 555710, 723920, 889136, 1103978, 1111420, 1447840, 1778272, 2207956, 2222840, 2759945, 4415912, 4445680, 5519890, 8243639, 8831824, 8891360, 11039780, 16487278, 17663648, 22079560, 32974556, 41218195, 44159120, 65949112, 82436390, 88318240, 131898224, 164872780, 263796448, 329745560, 502861979, 659491120, 1005723958, 1318982240, 2011447916, 2514309895, 4022895832, 5028619790, 8045791664, 10057239580, 16091583328, 20114479160, 40228958320, 80457916640]

約数ペア:

[(1, 80457916640), (2, 40228958320), (4, 20114479160), (5, 16091583328), (8, 10057239580), (10, 8045791664), (16, 5028619790), (20, 4022895832), (32, 2514309895), (40, 2011447916), (61, 1318982240), (80, 1005723958), (122, 659491120), (160, 502861979), (244, 329745560), (305, 263796448), (488, 164872780), (610, 131898224), (911, 88318240), (976, 82436390), (1220, 65949112), (1822, 44159120), (1952, 41218195), (2440, 32974556), (3644, 22079560), (4555, 17663648), (4880, 16487278), (7288, 11039780), (9049, 8891360), (9110, 8831824), (9760, 8243639), (14576, 5519890), (18098, 4445680), (18220, 4415912), (29152, 2759945), (36196, 2222840), (36440, 2207956), (45245, 1778272), (55571, 1447840), (72392, 1111420), (72880, 1103978), (90490, 889136), (111142, 723920), (144784, 555710), (145760, 551989), (180980, 444568), (222284, 361960), (277855, 289568)]