403940080

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{30977}}^1$

素因数の和:31153

約数の個数: 40

約数和(自身を含む): 944952912

約数和(自身を除く): 541012832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 30977, 61954, 123908, 154885, 247816, 309770, 495632, 619540, 1239080, 2478160, 5049251, 10098502, 20197004, 25246255, 40394008, 50492510, 80788016, 100985020, 201970040, 403940080]

約数ペア:

[(1, 403940080), (2, 201970040), (4, 100985020), (5, 80788016), (8, 50492510), (10, 40394008), (16, 25246255), (20, 20197004), (40, 10098502), (80, 5049251), (163, 2478160), (326, 1239080), (652, 619540), (815, 495632), (1304, 309770), (1630, 247816), (2608, 154885), (3260, 123908), (6520, 61954), (13040, 30977)]