40242580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 97090560

約数和(自身を除く): 56847980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1289, 1561, 2230, 2578, 3122, 4460, 5156, 6244, 6445, 7805, 9023, 12890, 15610, 18046, 25780, 31220, 36092, 45115, 90230, 180460, 287447, 574894, 1149788, 1437235, 2012129, 2874470, 4024258, 5748940, 8048516, 10060645, 20121290, 40242580]

約数ペア:

[(1, 40242580), (2, 20121290), (4, 10060645), (5, 8048516), (7, 5748940), (10, 4024258), (14, 2874470), (20, 2012129), (28, 1437235), (35, 1149788), (70, 574894), (140, 287447), (223, 180460), (446, 90230), (892, 45115), (1115, 36092), (1289, 31220), (1561, 25780), (2230, 18046), (2578, 15610), (3122, 12890), (4460, 9023), (5156, 7805), (6244, 6445)]