203422960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195599}}^1$

素因数の和:195625

約数の個数: 40

約数和(自身を含む): 509342400

約数和(自身を除く): 305919440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 195599, 391198, 782396, 977995, 1564792, 1955990, 2542787, 3129584, 3911980, 5085574, 7823960, 10171148, 12713935, 15647920, 20342296, 25427870, 40684592, 50855740, 101711480, 203422960]

約数ペア:

[(1, 203422960), (2, 101711480), (4, 50855740), (5, 40684592), (8, 25427870), (10, 20342296), (13, 15647920), (16, 12713935), (20, 10171148), (26, 7823960), (40, 5085574), (52, 3911980), (65, 3129584), (80, 2542787), (104, 1955990), (130, 1564792), (208, 977995), (260, 782396), (520, 391198), (1040, 195599)]