89913640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 122630360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1180, 1229, 1240, 1829, 2360, 2458, 3658, 4916, 6145, 7316, 9145, 9832, 12290, 14632, 18290, 24580, 36580, 38099, 49160, 72511, 73160, 76198, 145022, 152396, 190495, 290044, 304792, 362555, 380990, 580088, 725110, 761980, 1450220, 1523960, 2247841, 2900440, 4495682, 8991364, 11239205, 17982728, 22478410, 44956820, 89913640]

約数ペア:

[(1, 89913640), (2, 44956820), (4, 22478410), (5, 17982728), (8, 11239205), (10, 8991364), (20, 4495682), (31, 2900440), (40, 2247841), (59, 1523960), (62, 1450220), (118, 761980), (124, 725110), (155, 580088), (236, 380990), (248, 362555), (295, 304792), (310, 290044), (472, 190495), (590, 152396), (620, 145022), (1180, 76198), (1229, 73160), (1240, 72511), (1829, 49160), (2360, 38099), (2458, 36580), (3658, 24580), (4916, 18290), (6145, 14632), (7316, 12290), (9145, 9832)]