61975420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 140767200

約数和(自身を除く): 78791780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 683, 698, 1366, 1396, 1745, 2732, 3415, 3490, 4537, 6830, 6980, 8879, 9074, 13660, 17758, 18148, 22685, 35516, 44395, 45370, 88790, 90740, 177580, 238367, 476734, 953468, 1191835, 2383670, 3098771, 4767340, 6197542, 12395084, 15493855, 30987710, 61975420]

約数ペア:

[(1, 61975420), (2, 30987710), (4, 15493855), (5, 12395084), (10, 6197542), (13, 4767340), (20, 3098771), (26, 2383670), (52, 1191835), (65, 953468), (130, 476734), (260, 238367), (349, 177580), (683, 90740), (698, 88790), (1366, 45370), (1396, 44395), (1745, 35516), (2732, 22685), (3415, 18148), (3490, 17758), (4537, 13660), (6830, 9074), (6980, 8879)]