65486840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 153286560

約数和(自身を除く): 87799720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 547, 584, 730, 820, 1094, 1460, 1640, 2188, 2735, 2920, 2993, 4376, 5470, 5986, 10940, 11972, 14965, 21880, 22427, 23944, 29930, 39931, 44854, 59860, 79862, 89708, 112135, 119720, 159724, 179416, 199655, 224270, 319448, 399310, 448540, 798620, 897080, 1597240, 1637171, 3274342, 6548684, 8185855, 13097368, 16371710, 32743420, 65486840]

約数ペア:

[(1, 65486840), (2, 32743420), (4, 16371710), (5, 13097368), (8, 8185855), (10, 6548684), (20, 3274342), (40, 1637171), (41, 1597240), (73, 897080), (82, 798620), (146, 448540), (164, 399310), (205, 319448), (292, 224270), (328, 199655), (365, 179416), (410, 159724), (547, 119720), (584, 112135), (730, 89708), (820, 79862), (1094, 59860), (1460, 44854), (1640, 39931), (2188, 29930), (2735, 23944), (2920, 22427), (2993, 21880), (4376, 14965), (5470, 11972), (5986, 10940)]