40654480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 60589040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 179, 272, 334, 340, 358, 668, 680, 716, 835, 895, 1336, 1360, 1432, 1670, 1790, 2672, 2839, 2864, 3043, 3340, 3580, 5678, 6086, 6680, 7160, 11356, 12172, 13360, 14195, 14320, 15215, 22712, 24344, 28390, 29893, 30430, 45424, 48688, 56780, 59786, 60860, 113560, 119572, 121720, 149465, 227120, 239144, 243440, 298930, 478288, 508181, 597860, 1016362, 1195720, 2032724, 2391440, 2540905, 4065448, 5081810, 8130896, 10163620, 20327240, 40654480]

約数ペア:

[(1, 40654480), (2, 20327240), (4, 10163620), (5, 8130896), (8, 5081810), (10, 4065448), (16, 2540905), (17, 2391440), (20, 2032724), (34, 1195720), (40, 1016362), (68, 597860), (80, 508181), (85, 478288), (136, 298930), (167, 243440), (170, 239144), (179, 227120), (272, 149465), (334, 121720), (340, 119572), (358, 113560), (668, 60860), (680, 59786), (716, 56780), (835, 48688), (895, 45424), (1336, 30430), (1360, 29893), (1432, 28390), (1670, 24344), (1790, 22712), (2672, 15215), (2839, 14320), (2864, 14195), (3043, 13360), (3340, 12172), (3580, 11356), (5678, 7160), (6086, 6680)]