201373520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81199}}^1$

素因数の和:81243

約数の個数: 40

約数和(自身を含む): 483302400

約数和(自身を除く): 281928880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81199, 162398, 324796, 405995, 649592, 811990, 1299184, 1623980, 2517169, 3247960, 5034338, 6495920, 10068676, 12585845, 20137352, 25171690, 40274704, 50343380, 100686760, 201373520]

約数ペア:

[(1, 201373520), (2, 100686760), (4, 50343380), (5, 40274704), (8, 25171690), (10, 20137352), (16, 12585845), (20, 10068676), (31, 6495920), (40, 5034338), (62, 3247960), (80, 2517169), (124, 1623980), (155, 1299184), (248, 811990), (310, 649592), (496, 405995), (620, 324796), (1240, 162398), (2480, 81199)]