31622480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 77995008

約数和(自身を除く): 46372528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 311, 328, 410, 496, 620, 622, 656, 820, 1240, 1244, 1271, 1555, 1640, 2480, 2488, 2542, 3110, 3280, 4976, 5084, 6220, 6355, 9641, 10168, 12440, 12710, 12751, 19282, 20336, 24880, 25420, 25502, 38564, 48205, 50840, 51004, 63755, 77128, 96410, 101680, 102008, 127510, 154256, 192820, 204016, 255020, 385640, 395281, 510040, 771280, 790562, 1020080, 1581124, 1976405, 3162248, 3952810, 6324496, 7905620, 15811240, 31622480]

約数ペア:

[(1, 31622480), (2, 15811240), (4, 7905620), (5, 6324496), (8, 3952810), (10, 3162248), (16, 1976405), (20, 1581124), (31, 1020080), (40, 790562), (41, 771280), (62, 510040), (80, 395281), (82, 385640), (124, 255020), (155, 204016), (164, 192820), (205, 154256), (248, 127510), (310, 102008), (311, 101680), (328, 96410), (410, 77128), (496, 63755), (620, 51004), (622, 50840), (656, 48205), (820, 38564), (1240, 25502), (1244, 25420), (1271, 24880), (1555, 20336), (1640, 19282), (2480, 12751), (2488, 12710), (2542, 12440), (3110, 10168), (3280, 9641), (4976, 6355), (5084, 6220)]