201208720

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4649}}^1$

素因数の和:5203

約数の個数: 40

約数和(自身を含む): 468775800

約数和(自身を除く): 267567080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 4649, 5410, 8656, 9298, 10820, 18596, 21640, 23245, 37192, 43280, 46490, 74384, 92980, 185960, 371920, 2515109, 5030218, 10060436, 12575545, 20120872, 25151090, 40241744, 50302180, 100604360, 201208720]

約数ペア:

[(1, 201208720), (2, 100604360), (4, 50302180), (5, 40241744), (8, 25151090), (10, 20120872), (16, 12575545), (20, 10060436), (40, 5030218), (80, 2515109), (541, 371920), (1082, 185960), (2164, 92980), (2705, 74384), (4328, 46490), (4649, 43280), (5410, 37192), (8656, 23245), (9298, 21640), (10820, 18596)]