207659920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199673}}^1$

素因数の和:199699

約数の個数: 40

約数和(自身を含む): 519951096

約数和(自身を除く): 312291176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 199673, 399346, 798692, 998365, 1597384, 1996730, 2595749, 3194768, 3993460, 5191498, 7986920, 10382996, 12978745, 15973840, 20765992, 25957490, 41531984, 51914980, 103829960, 207659920]

約数ペア:

[(1, 207659920), (2, 103829960), (4, 51914980), (5, 41531984), (8, 25957490), (10, 20765992), (13, 15973840), (16, 12978745), (20, 10382996), (26, 7986920), (40, 5191498), (52, 3993460), (65, 3194768), (80, 2595749), (104, 1996730), (130, 1597384), (208, 998365), (260, 798692), (520, 399346), (1040, 199673)]