2560948720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2910169}}^1$

素因数の和:2910193

約数の個数: 40

約数和(自身を含む): 6495499440

約数和(自身を除く): 3934550720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2910169, 5820338, 11640676, 14550845, 23281352, 29101690, 32011859, 46562704, 58203380, 64023718, 116406760, 128047436, 160059295, 232813520, 256094872, 320118590, 512189744, 640237180, 1280474360, 2560948720]

約数ペア:

[(1, 2560948720), (2, 1280474360), (4, 640237180), (5, 512189744), (8, 320118590), (10, 256094872), (11, 232813520), (16, 160059295), (20, 128047436), (22, 116406760), (40, 64023718), (44, 58203380), (55, 46562704), (80, 32011859), (88, 29101690), (110, 23281352), (176, 14550845), (220, 11640676), (440, 5820338), (880, 2910169)]