553809680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1301}}^1$

素因数の和:1644

約数の個数: 80

約数和(自身を含む): 1368756144

約数和(自身を除く): 814946464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 313, 340, 626, 680, 1252, 1301, 1360, 1565, 2504, 2602, 3130, 5008, 5204, 5321, 6260, 6505, 10408, 10642, 12520, 13010, 20816, 21284, 22117, 25040, 26020, 26605, 42568, 44234, 52040, 53210, 85136, 88468, 104080, 106420, 110585, 176936, 212840, 221170, 353872, 407213, 425680, 442340, 814426, 884680, 1628852, 1769360, 2036065, 3257704, 4072130, 6515408, 6922621, 8144260, 13845242, 16288520, 27690484, 32577040, 34613105, 55380968, 69226210, 110761936, 138452420, 276904840, 553809680]

約数ペア:

[(1, 553809680), (2, 276904840), (4, 138452420), (5, 110761936), (8, 69226210), (10, 55380968), (16, 34613105), (17, 32577040), (20, 27690484), (34, 16288520), (40, 13845242), (68, 8144260), (80, 6922621), (85, 6515408), (136, 4072130), (170, 3257704), (272, 2036065), (313, 1769360), (340, 1628852), (626, 884680), (680, 814426), (1252, 442340), (1301, 425680), (1360, 407213), (1565, 353872), (2504, 221170), (2602, 212840), (3130, 176936), (5008, 110585), (5204, 106420), (5321, 104080), (6260, 88468), (6505, 85136), (10408, 53210), (10642, 52040), (12520, 44234), (13010, 42568), (20816, 26605), (21284, 26020), (22117, 25040)]