100555760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 245073600

約数和(自身を除く): 144517840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 445, 464, 487, 580, 712, 890, 974, 1160, 1424, 1780, 1948, 2320, 2435, 2581, 3560, 3896, 4870, 5162, 7120, 7792, 9740, 10324, 12905, 14123, 19480, 20648, 25810, 28246, 38960, 41296, 43343, 51620, 56492, 70615, 86686, 103240, 112984, 141230, 173372, 206480, 216715, 225968, 282460, 346744, 433430, 564920, 693488, 866860, 1129840, 1256947, 1733720, 2513894, 3467440, 5027788, 6284735, 10055576, 12569470, 20111152, 25138940, 50277880, 100555760]

約数ペア:

[(1, 100555760), (2, 50277880), (4, 25138940), (5, 20111152), (8, 12569470), (10, 10055576), (16, 6284735), (20, 5027788), (29, 3467440), (40, 2513894), (58, 1733720), (80, 1256947), (89, 1129840), (116, 866860), (145, 693488), (178, 564920), (232, 433430), (290, 346744), (356, 282460), (445, 225968), (464, 216715), (487, 206480), (580, 173372), (712, 141230), (890, 112984), (974, 103240), (1160, 86686), (1424, 70615), (1780, 56492), (1948, 51620), (2320, 43343), (2435, 41296), (2581, 38960), (3560, 28246), (3896, 25810), (4870, 20648), (5162, 19480), (7120, 14123), (7792, 12905), (9740, 10324)]