2051249440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{210169}}^1$

素因数の和:210245

約数の個数: 48

約数和(自身を含む): 4925544120

約数和(自身を除く): 2874294680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 210169, 420338, 840676, 1050845, 1681352, 2101690, 3362704, 4203380, 6725408, 8406760, 12820309, 16813520, 25640618, 33627040, 51281236, 64101545, 102562472, 128203090, 205124944, 256406180, 410249888, 512812360, 1025624720, 2051249440]

約数ペア:

[(1, 2051249440), (2, 1025624720), (4, 512812360), (5, 410249888), (8, 256406180), (10, 205124944), (16, 128203090), (20, 102562472), (32, 64101545), (40, 51281236), (61, 33627040), (80, 25640618), (122, 16813520), (160, 12820309), (244, 8406760), (305, 6725408), (488, 4203380), (610, 3362704), (976, 2101690), (1220, 1681352), (1952, 1050845), (2440, 840676), (4880, 420338), (9760, 210169)]