8407180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 18990720

約数和(自身を除く): 10583540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 313, 316, 340, 395, 626, 790, 1252, 1343, 1565, 1580, 2686, 3130, 5321, 5372, 6260, 6715, 10642, 13430, 21284, 24727, 26605, 26860, 49454, 53210, 98908, 106420, 123635, 247270, 420359, 494540, 840718, 1681436, 2101795, 4203590, 8407180]

約数ペア:

[(1, 8407180), (2, 4203590), (4, 2101795), (5, 1681436), (10, 840718), (17, 494540), (20, 420359), (34, 247270), (68, 123635), (79, 106420), (85, 98908), (158, 53210), (170, 49454), (313, 26860), (316, 26605), (340, 24727), (395, 21284), (626, 13430), (790, 10642), (1252, 6715), (1343, 6260), (1565, 5372), (1580, 5321), (2686, 3130)]