40779560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 94711680

約数和(自身を除く): 53932120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 173, 284, 332, 346, 355, 415, 568, 664, 692, 710, 830, 865, 1384, 1420, 1660, 1730, 2840, 3320, 3460, 5893, 6920, 11786, 12283, 14359, 23572, 24566, 28718, 29465, 47144, 49132, 57436, 58930, 61415, 71795, 98264, 114872, 117860, 122830, 143590, 235720, 245660, 287180, 491320, 574360, 1019489, 2038978, 4077956, 5097445, 8155912, 10194890, 20389780, 40779560]

約数ペア:

[(1, 40779560), (2, 20389780), (4, 10194890), (5, 8155912), (8, 5097445), (10, 4077956), (20, 2038978), (40, 1019489), (71, 574360), (83, 491320), (142, 287180), (166, 245660), (173, 235720), (284, 143590), (332, 122830), (346, 117860), (355, 114872), (415, 98264), (568, 71795), (664, 61415), (692, 58930), (710, 57436), (830, 49132), (865, 47144), (1384, 29465), (1420, 28718), (1660, 24566), (1730, 23572), (2840, 14359), (3320, 12283), (3460, 11786), (5893, 6920)]