40001360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 108124032

約数和(自身を除く): 68122672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1171, 1220, 1708, 2135, 2342, 2440, 3416, 4270, 4684, 4880, 5855, 6832, 8197, 8540, 9368, 11710, 16394, 17080, 18736, 23420, 32788, 34160, 40985, 46840, 65576, 71431, 81970, 93680, 131152, 142862, 163940, 285724, 327880, 357155, 500017, 571448, 655760, 714310, 1000034, 1142896, 1428620, 2000068, 2500085, 2857240, 4000136, 5000170, 5714480, 8000272, 10000340, 20000680, 40001360]

約数ペア:

[(1, 40001360), (2, 20000680), (4, 10000340), (5, 8000272), (7, 5714480), (8, 5000170), (10, 4000136), (14, 2857240), (16, 2500085), (20, 2000068), (28, 1428620), (35, 1142896), (40, 1000034), (56, 714310), (61, 655760), (70, 571448), (80, 500017), (112, 357155), (122, 327880), (140, 285724), (244, 163940), (280, 142862), (305, 131152), (427, 93680), (488, 81970), (560, 71431), (610, 65576), (854, 46840), (976, 40985), (1171, 34160), (1220, 32788), (1708, 23420), (2135, 18736), (2342, 17080), (2440, 16394), (3416, 11710), (4270, 9368), (4684, 8540), (4880, 8197), (5855, 6832)]