72869840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29383}}^1$

素因数の和:29427

約数の個数: 40

約数和(自身を含む): 174893568

約数和(自身を除く): 102023728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29383, 58766, 117532, 146915, 235064, 293830, 470128, 587660, 910873, 1175320, 1821746, 2350640, 3643492, 4554365, 7286984, 9108730, 14573968, 18217460, 36434920, 72869840]

約数ペア:

[(1, 72869840), (2, 36434920), (4, 18217460), (5, 14573968), (8, 9108730), (10, 7286984), (16, 4554365), (20, 3643492), (31, 2350640), (40, 1821746), (62, 1175320), (80, 910873), (124, 587660), (155, 470128), (248, 293830), (310, 235064), (496, 146915), (620, 117532), (1240, 58766), (2480, 29383)]