18041089840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{10651}}^1$

素因数の和:11378

約数の個数: 80

約数和(自身を含む): 43366081536

約数和(自身を除く): 25324991696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 683, 1240, 1366, 2480, 2732, 3415, 5464, 6830, 10651, 10928, 13660, 21173, 21302, 27320, 42346, 42604, 53255, 54640, 84692, 85208, 105865, 106510, 169384, 170416, 211730, 213020, 330181, 338768, 423460, 426040, 660362, 846920, 852080, 1320724, 1650905, 1693840, 2641448, 3301810, 5282896, 6603620, 7274633, 13207240, 14549266, 26414480, 29098532, 36373165, 58197064, 72746330, 116394128, 145492660, 225513623, 290985320, 451027246, 581970640, 902054492, 1127568115, 1804108984, 2255136230, 3608217968, 4510272460, 9020544920, 18041089840]

約数ペア:

[(1, 18041089840), (2, 9020544920), (4, 4510272460), (5, 3608217968), (8, 2255136230), (10, 1804108984), (16, 1127568115), (20, 902054492), (31, 581970640), (40, 451027246), (62, 290985320), (80, 225513623), (124, 145492660), (155, 116394128), (248, 72746330), (310, 58197064), (496, 36373165), (620, 29098532), (683, 26414480), (1240, 14549266), (1366, 13207240), (2480, 7274633), (2732, 6603620), (3415, 5282896), (5464, 3301810), (6830, 2641448), (10651, 1693840), (10928, 1650905), (13660, 1320724), (21173, 852080), (21302, 846920), (27320, 660362), (42346, 426040), (42604, 423460), (53255, 338768), (54640, 330181), (84692, 213020), (85208, 211730), (105865, 170416), (106510, 169384)]