78987040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44879}}^1$

素因数の和:44905

約数の個数: 48

約数和(自身を含む): 203575680

約数和(自身を除く): 124588640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 44879, 89758, 179516, 224395, 359032, 448790, 493669, 718064, 897580, 987338, 1436128, 1795160, 1974676, 2468345, 3590320, 3949352, 4936690, 7180640, 7898704, 9873380, 15797408, 19746760, 39493520, 78987040]

約数ペア:

[(1, 78987040), (2, 39493520), (4, 19746760), (5, 15797408), (8, 9873380), (10, 7898704), (11, 7180640), (16, 4936690), (20, 3949352), (22, 3590320), (32, 2468345), (40, 1974676), (44, 1795160), (55, 1436128), (80, 987338), (88, 897580), (110, 718064), (160, 493669), (176, 448790), (220, 359032), (352, 224395), (440, 179516), (880, 89758), (1760, 44879)]