4061980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 9737280

約数和(自身を除く): 5675300

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 919, 1105, 1838, 2210, 3676, 4420, 4595, 9190, 11947, 15623, 18380, 23894, 31246, 47788, 59735, 62492, 78115, 119470, 156230, 203099, 238940, 312460, 406198, 812396, 1015495, 2030990, 4061980]

約数ペア:

[(1, 4061980), (2, 2030990), (4, 1015495), (5, 812396), (10, 406198), (13, 312460), (17, 238940), (20, 203099), (26, 156230), (34, 119470), (52, 78115), (65, 62492), (68, 59735), (85, 47788), (130, 31246), (170, 23894), (221, 18380), (260, 15623), (340, 11947), (442, 9190), (884, 4595), (919, 4420), (1105, 3676), (1838, 2210)]