8208460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 18783072

約数和(自身を除く): 10574612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 241, 260, 262, 482, 524, 655, 964, 1205, 1310, 1703, 2410, 2620, 3133, 3406, 4820, 6266, 6812, 8515, 12532, 15665, 17030, 31330, 31571, 34060, 62660, 63142, 126284, 157855, 315710, 410423, 631420, 820846, 1641692, 2052115, 4104230, 8208460]

約数ペア:

[(1, 8208460), (2, 4104230), (4, 2052115), (5, 1641692), (10, 820846), (13, 631420), (20, 410423), (26, 315710), (52, 157855), (65, 126284), (130, 63142), (131, 62660), (241, 34060), (260, 31571), (262, 31330), (482, 17030), (524, 15665), (655, 12532), (964, 8515), (1205, 6812), (1310, 6266), (1703, 4820), (2410, 3406), (2620, 3133)]