25851800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 66193680

約数和(自身を除く): 40341880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 130, 163, 200, 244, 260, 305, 325, 326, 488, 520, 610, 650, 652, 793, 815, 1220, 1300, 1304, 1525, 1586, 1630, 2119, 2440, 2600, 3050, 3172, 3260, 3965, 4075, 4238, 6100, 6344, 6520, 7930, 8150, 8476, 9943, 10595, 12200, 15860, 16300, 16952, 19825, 19886, 21190, 31720, 32600, 39650, 39772, 42380, 49715, 52975, 79300, 79544, 84760, 99430, 105950, 129259, 158600, 198860, 211900, 248575, 258518, 397720, 423800, 497150, 517036, 646295, 994300, 1034072, 1292590, 1988600, 2585180, 3231475, 5170360, 6462950, 12925900, 25851800]

約数ペア:

[(1, 25851800), (2, 12925900), (4, 6462950), (5, 5170360), (8, 3231475), (10, 2585180), (13, 1988600), (20, 1292590), (25, 1034072), (26, 994300), (40, 646295), (50, 517036), (52, 497150), (61, 423800), (65, 397720), (100, 258518), (104, 248575), (122, 211900), (130, 198860), (163, 158600), (200, 129259), (244, 105950), (260, 99430), (305, 84760), (325, 79544), (326, 79300), (488, 52975), (520, 49715), (610, 42380), (650, 39772), (652, 39650), (793, 32600), (815, 31720), (1220, 21190), (1300, 19886), (1304, 19825), (1525, 16952), (1586, 16300), (1630, 15860), (2119, 12200), (2440, 10595), (2600, 9943), (3050, 8476), (3172, 8150), (3260, 7930), (3965, 6520), (4075, 6344), (4238, 6100)]