2037448520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{907}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 4648233600

約数和(自身を除く): 2610785080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 631, 712, 890, 907, 1262, 1780, 1814, 2524, 3155, 3560, 3628, 4535, 5048, 6310, 7256, 9070, 12620, 18140, 25240, 36280, 56159, 80723, 112318, 161446, 224636, 280795, 322892, 403615, 449272, 561590, 572317, 645784, 807230, 1123180, 1144634, 1614460, 2246360, 2289268, 2861585, 3228920, 4578536, 5723170, 11446340, 22892680, 50936213, 101872426, 203744852, 254681065, 407489704, 509362130, 1018724260, 2037448520]

約数ペア:

[(1, 2037448520), (2, 1018724260), (4, 509362130), (5, 407489704), (8, 254681065), (10, 203744852), (20, 101872426), (40, 50936213), (89, 22892680), (178, 11446340), (356, 5723170), (445, 4578536), (631, 3228920), (712, 2861585), (890, 2289268), (907, 2246360), (1262, 1614460), (1780, 1144634), (1814, 1123180), (2524, 807230), (3155, 645784), (3560, 572317), (3628, 561590), (4535, 449272), (5048, 403615), (6310, 322892), (7256, 280795), (9070, 224636), (12620, 161446), (18140, 112318), (25240, 80723), (36280, 56159)]