1566254420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{4079}}^1$

素因数の和:4424

約数の個数: 48

約数和(自身を含む): 3347688960

約数和(自身を除く): 1781434540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 263, 292, 365, 526, 730, 1052, 1315, 1460, 2630, 4079, 5260, 8158, 16316, 19199, 20395, 38398, 40790, 76796, 81580, 95995, 191990, 297767, 383980, 595534, 1072777, 1191068, 1488835, 2145554, 2977670, 4291108, 5363885, 5955340, 10727770, 21455540, 78312721, 156625442, 313250884, 391563605, 783127210, 1566254420]

約数ペア:

[(1, 1566254420), (2, 783127210), (4, 391563605), (5, 313250884), (10, 156625442), (20, 78312721), (73, 21455540), (146, 10727770), (263, 5955340), (292, 5363885), (365, 4291108), (526, 2977670), (730, 2145554), (1052, 1488835), (1315, 1191068), (1460, 1072777), (2630, 595534), (4079, 383980), (5260, 297767), (8158, 191990), (16316, 95995), (19199, 81580), (20395, 76796), (38398, 40790)]