888972520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{364333}}^1$

素因数の和:364405

約数の個数: 32

約数和(自身を含む): 2032983720

約数和(自身を除く): 1144011200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 364333, 728666, 1457332, 1821665, 2914664, 3643330, 7286660, 14573320, 22224313, 44448626, 88897252, 111121565, 177794504, 222243130, 444486260, 888972520]

約数ペア:

[(1, 888972520), (2, 444486260), (4, 222243130), (5, 177794504), (8, 111121565), (10, 88897252), (20, 44448626), (40, 22224313), (61, 14573320), (122, 7286660), (244, 3643330), (305, 2914664), (488, 1821665), (610, 1457332), (1220, 728666), (2440, 364333)]