7964847980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{20359}}^1$

素因数の和:21030

約数の個数: 48

約数和(自身を含む): 17293946880

約数和(自身を除く): 9329098900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 631, 1262, 2524, 3155, 6310, 12620, 19561, 20359, 39122, 40718, 78244, 81436, 97805, 101795, 195610, 203590, 391220, 407180, 631129, 1262258, 2524516, 3155645, 6311290, 12622580, 12846529, 25693058, 51386116, 64232645, 128465290, 256930580, 398242399, 796484798, 1592969596, 1991211995, 3982423990, 7964847980]

約数ペア:

[(1, 7964847980), (2, 3982423990), (4, 1991211995), (5, 1592969596), (10, 796484798), (20, 398242399), (31, 256930580), (62, 128465290), (124, 64232645), (155, 51386116), (310, 25693058), (620, 12846529), (631, 12622580), (1262, 6311290), (2524, 3155645), (3155, 2524516), (6310, 1262258), (12620, 631129), (19561, 407180), (20359, 391220), (39122, 203590), (40718, 195610), (78244, 101795), (81436, 97805)]