129470720

素因数分解:

$2^8\times 5^1\times {\mathrm{101149}}^1$

素因数の和:101170

約数の個数: 36

約数和(自身を含む): 310125900

約数和(自身を除く): 180655180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101149, 202298, 404596, 505745, 809192, 1011490, 1618384, 2022980, 3236768, 4045960, 6473536, 8091920, 12947072, 16183840, 25894144, 32367680, 64735360, 129470720]

約数ペア:

[(1, 129470720), (2, 64735360), (4, 32367680), (5, 25894144), (8, 16183840), (10, 12947072), (16, 8091920), (20, 6473536), (32, 4045960), (40, 3236768), (64, 2022980), (80, 1618384), (128, 1011490), (160, 809192), (256, 505745), (320, 404596), (640, 202298), (1280, 101149)]