28410400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2126

約数の個数: 72

約数和(自身を含む): 73471860

約数和(自身を除く): 45061460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2089, 2720, 3400, 4178, 6800, 8356, 10445, 13600, 16712, 20890, 33424, 35513, 41780, 52225, 66848, 71026, 83560, 104450, 142052, 167120, 177565, 208900, 284104, 334240, 355130, 417800, 568208, 710260, 835600, 887825, 1136416, 1420520, 1671200, 1775650, 2841040, 3551300, 5682080, 7102600, 14205200, 28410400]

約数ペア:

[(1, 28410400), (2, 14205200), (4, 7102600), (5, 5682080), (8, 3551300), (10, 2841040), (16, 1775650), (17, 1671200), (20, 1420520), (25, 1136416), (32, 887825), (34, 835600), (40, 710260), (50, 568208), (68, 417800), (80, 355130), (85, 334240), (100, 284104), (136, 208900), (160, 177565), (170, 167120), (200, 142052), (272, 104450), (340, 83560), (400, 71026), (425, 66848), (544, 52225), (680, 41780), (800, 35513), (850, 33424), (1360, 20890), (1700, 16712), (2089, 13600), (2720, 10445), (3400, 8356), (4178, 6800)]