25087240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 35565560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 467, 632, 680, 790, 934, 1343, 1580, 1868, 2335, 2686, 3160, 3736, 4670, 5372, 6715, 7939, 9340, 10744, 13430, 15878, 18680, 26860, 31756, 36893, 39695, 53720, 63512, 73786, 79390, 147572, 158780, 184465, 295144, 317560, 368930, 627181, 737860, 1254362, 1475720, 2508724, 3135905, 5017448, 6271810, 12543620, 25087240]

約数ペア:

[(1, 25087240), (2, 12543620), (4, 6271810), (5, 5017448), (8, 3135905), (10, 2508724), (17, 1475720), (20, 1254362), (34, 737860), (40, 627181), (68, 368930), (79, 317560), (85, 295144), (136, 184465), (158, 158780), (170, 147572), (316, 79390), (340, 73786), (395, 63512), (467, 53720), (632, 39695), (680, 36893), (790, 31756), (934, 26860), (1343, 18680), (1580, 15878), (1868, 13430), (2335, 10744), (2686, 9340), (3160, 7939), (3736, 6715), (4670, 5372)]