39152240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 94654656

約数和(自身を除く): 55502416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 113, 122, 142, 226, 244, 284, 305, 355, 452, 488, 565, 568, 610, 710, 904, 976, 1130, 1136, 1220, 1420, 1808, 2260, 2440, 2840, 4331, 4520, 4880, 5680, 6893, 8023, 8662, 9040, 13786, 16046, 17324, 21655, 27572, 32092, 34465, 34648, 40115, 43310, 55144, 64184, 68930, 69296, 80230, 86620, 110288, 128368, 137860, 160460, 173240, 275720, 320920, 346480, 489403, 551440, 641840, 978806, 1957612, 2447015, 3915224, 4894030, 7830448, 9788060, 19576120, 39152240]

約数ペア:

[(1, 39152240), (2, 19576120), (4, 9788060), (5, 7830448), (8, 4894030), (10, 3915224), (16, 2447015), (20, 1957612), (40, 978806), (61, 641840), (71, 551440), (80, 489403), (113, 346480), (122, 320920), (142, 275720), (226, 173240), (244, 160460), (284, 137860), (305, 128368), (355, 110288), (452, 86620), (488, 80230), (565, 69296), (568, 68930), (610, 64184), (710, 55144), (904, 43310), (976, 40115), (1130, 34648), (1136, 34465), (1220, 32092), (1420, 27572), (1808, 21655), (2260, 17324), (2440, 16046), (2840, 13786), (4331, 9040), (4520, 8662), (4880, 8023), (5680, 6893)]