66431920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{48847}}^1$

素因数の和:48877

約数の個数: 40

約数和(自身を含む): 163543104

約数和(自身を除く): 97111184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 48847, 97694, 195388, 244235, 390776, 488470, 781552, 830399, 976940, 1660798, 1953880, 3321596, 3907760, 4151995, 6643192, 8303990, 13286384, 16607980, 33215960, 66431920]

約数ペア:

[(1, 66431920), (2, 33215960), (4, 16607980), (5, 13286384), (8, 8303990), (10, 6643192), (16, 4151995), (17, 3907760), (20, 3321596), (34, 1953880), (40, 1660798), (68, 976940), (80, 830399), (85, 781552), (136, 488470), (170, 390776), (272, 244235), (340, 195388), (680, 97694), (1360, 48847)]