323644880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311197}}^1$

素因数の和:311223

約数の個数: 40

約数和(自身を含む): 810359592

約数和(自身を除く): 486714712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 311197, 622394, 1244788, 1555985, 2489576, 3111970, 4045561, 4979152, 6223940, 8091122, 12447880, 16182244, 20227805, 24895760, 32364488, 40455610, 64728976, 80911220, 161822440, 323644880]

約数ペア:

[(1, 323644880), (2, 161822440), (4, 80911220), (5, 64728976), (8, 40455610), (10, 32364488), (13, 24895760), (16, 20227805), (20, 16182244), (26, 12447880), (40, 8091122), (52, 6223940), (65, 4979152), (80, 4045561), (104, 3111970), (130, 2489576), (208, 1555985), (260, 1244788), (520, 622394), (1040, 311197)]