858230860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{6421}}^1$

素因数の和:6634

約数の個数: 48

約数和(自身を含む): 1857858912

約数和(自身を除く): 999628052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 3260, 6421, 6683, 12842, 13366, 25684, 26732, 32105, 33415, 64210, 66830, 128420, 133660, 263261, 526522, 1046623, 1053044, 1316305, 2093246, 2632610, 4186492, 5233115, 5265220, 10466230, 20932460, 42911543, 85823086, 171646172, 214557715, 429115430, 858230860]

約数ペア:

[(1, 858230860), (2, 429115430), (4, 214557715), (5, 171646172), (10, 85823086), (20, 42911543), (41, 20932460), (82, 10466230), (163, 5265220), (164, 5233115), (205, 4186492), (326, 2632610), (410, 2093246), (652, 1316305), (815, 1053044), (820, 1046623), (1630, 526522), (3260, 263261), (6421, 133660), (6683, 128420), (12842, 66830), (13366, 64210), (25684, 33415), (26732, 32105)]