31469680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3251}}^1$

素因数の和:3286

約数の個数: 60

約数和(自身を含む): 80447976

約数和(自身を除く): 48978296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 3251, 4840, 6502, 9680, 13004, 16255, 26008, 32510, 35761, 52016, 65020, 71522, 130040, 143044, 178805, 260080, 286088, 357610, 393371, 572176, 715220, 786742, 1430440, 1573484, 1966855, 2860880, 3146968, 3933710, 6293936, 7867420, 15734840, 31469680]

約数ペア:

[(1, 31469680), (2, 15734840), (4, 7867420), (5, 6293936), (8, 3933710), (10, 3146968), (11, 2860880), (16, 1966855), (20, 1573484), (22, 1430440), (40, 786742), (44, 715220), (55, 572176), (80, 393371), (88, 357610), (110, 286088), (121, 260080), (176, 178805), (220, 143044), (242, 130040), (440, 71522), (484, 65020), (605, 52016), (880, 35761), (968, 32510), (1210, 26008), (1936, 16255), (2420, 13004), (3251, 9680), (4840, 6502)]