2019970420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{32237}}^1$

素因数の和:32500

約数の個数: 48

約数和(自身を含む): 4587338448

約数和(自身を除く): 2567368028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 6266, 12532, 15665, 31330, 32237, 62660, 64474, 128948, 161185, 322370, 419081, 644740, 838162, 1676324, 2095405, 4190810, 7769117, 8381620, 15538234, 31076468, 38845585, 77691170, 100998521, 155382340, 201997042, 403994084, 504992605, 1009985210, 2019970420]

約数ペア:

[(1, 2019970420), (2, 1009985210), (4, 504992605), (5, 403994084), (10, 201997042), (13, 155382340), (20, 100998521), (26, 77691170), (52, 38845585), (65, 31076468), (130, 15538234), (241, 8381620), (260, 7769117), (482, 4190810), (964, 2095405), (1205, 1676324), (2410, 838162), (3133, 644740), (4820, 419081), (6266, 322370), (12532, 161185), (15665, 128948), (31330, 64474), (32237, 62660)]