2012078120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{25969}}^1$

素因数の和:26142

約数の個数: 64

約数和(自身を含む): 4908330000

約数和(自身を除く): 2896251880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2980, 3874, 5960, 7748, 9685, 15496, 19370, 25969, 38740, 51938, 77480, 103876, 129845, 207752, 259690, 337597, 519380, 675194, 1038760, 1350388, 1687985, 2700776, 3375970, 3869381, 6751940, 7738762, 13503880, 15477524, 19346905, 30955048, 38693810, 50301953, 77387620, 100603906, 154775240, 201207812, 251509765, 402415624, 503019530, 1006039060, 2012078120]

約数ペア:

[(1, 2012078120), (2, 1006039060), (4, 503019530), (5, 402415624), (8, 251509765), (10, 201207812), (13, 154775240), (20, 100603906), (26, 77387620), (40, 50301953), (52, 38693810), (65, 30955048), (104, 19346905), (130, 15477524), (149, 13503880), (260, 7738762), (298, 6751940), (520, 3869381), (596, 3375970), (745, 2700776), (1192, 1687985), (1490, 1350388), (1937, 1038760), (2980, 675194), (3874, 519380), (5960, 337597), (7748, 259690), (9685, 207752), (15496, 129845), (19370, 103876), (25969, 77480), (38740, 51938)]