129113840

素因数分解:

$2^4\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1669}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 300680160

約数和(自身を除く): 171566320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 967, 1669, 1934, 3338, 3868, 4835, 6676, 7736, 8345, 9670, 13352, 15472, 16690, 19340, 26704, 33380, 38680, 66760, 77360, 133520, 1613923, 3227846, 6455692, 8069615, 12911384, 16139230, 25822768, 32278460, 64556920, 129113840]

約数ペア:

[(1, 129113840), (2, 64556920), (4, 32278460), (5, 25822768), (8, 16139230), (10, 12911384), (16, 8069615), (20, 6455692), (40, 3227846), (80, 1613923), (967, 133520), (1669, 77360), (1934, 66760), (3338, 38680), (3868, 33380), (4835, 26704), (6676, 19340), (7736, 16690), (8345, 15472), (9670, 13352)]