68548720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20899}}^1$

素因数の和:20953

約数の個数: 40

約数和(自身を含む): 163270800

約数和(自身を除く): 94722080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 417980, 835960, 856859, 1671920, 1713718, 3427436, 4284295, 6854872, 8568590, 13709744, 17137180, 34274360, 68548720]

約数ペア:

[(1, 68548720), (2, 34274360), (4, 17137180), (5, 13709744), (8, 8568590), (10, 6854872), (16, 4284295), (20, 3427436), (40, 1713718), (41, 1671920), (80, 856859), (82, 835960), (164, 417980), (205, 334384), (328, 208990), (410, 167192), (656, 104495), (820, 83596), (1640, 41798), (3280, 20899)]