30685040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12373}}^1$

素因数の和:12417

約数の個数: 40

約数和(自身を含む): 73650048

約数和(自身を除く): 42965008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12373, 24746, 49492, 61865, 98984, 123730, 197968, 247460, 383563, 494920, 767126, 989840, 1534252, 1917815, 3068504, 3835630, 6137008, 7671260, 15342520, 30685040]

約数ペア:

[(1, 30685040), (2, 15342520), (4, 7671260), (5, 6137008), (8, 3835630), (10, 3068504), (16, 1917815), (20, 1534252), (31, 989840), (40, 767126), (62, 494920), (80, 383563), (124, 247460), (155, 197968), (248, 123730), (310, 98984), (496, 61865), (620, 49492), (1240, 24746), (2480, 12373)]