31990660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3001}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 74137392

約数和(自身を除く): 42146732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 3001, 5330, 6002, 10660, 12004, 15005, 30010, 39013, 60020, 78026, 123041, 156052, 195065, 246082, 390130, 492164, 615205, 780260, 1230410, 1599533, 2460820, 3199066, 6398132, 7997665, 15995330, 31990660]

約数ペア:

[(1, 31990660), (2, 15995330), (4, 7997665), (5, 6398132), (10, 3199066), (13, 2460820), (20, 1599533), (26, 1230410), (41, 780260), (52, 615205), (65, 492164), (82, 390130), (130, 246082), (164, 195065), (205, 156052), (260, 123041), (410, 78026), (533, 60020), (820, 39013), (1066, 30010), (2132, 15005), (2665, 12004), (3001, 10660), (5330, 6002)]