66244520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 157731840

約数和(自身を除く): 91487320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1303, 1640, 2542, 2606, 5084, 5212, 6355, 6515, 10168, 10424, 12710, 13030, 25420, 26060, 40393, 50840, 52120, 53423, 80786, 106846, 161572, 201965, 213692, 267115, 323144, 403930, 427384, 534230, 807860, 1068460, 1615720, 1656113, 2136920, 3312226, 6624452, 8280565, 13248904, 16561130, 33122260, 66244520]

約数ペア:

[(1, 66244520), (2, 33122260), (4, 16561130), (5, 13248904), (8, 8280565), (10, 6624452), (20, 3312226), (31, 2136920), (40, 1656113), (41, 1615720), (62, 1068460), (82, 807860), (124, 534230), (155, 427384), (164, 403930), (205, 323144), (248, 267115), (310, 213692), (328, 201965), (410, 161572), (620, 106846), (820, 80786), (1240, 53423), (1271, 52120), (1303, 50840), (1640, 40393), (2542, 26060), (2606, 25420), (5084, 13030), (5212, 12710), (6355, 10424), (6515, 10168)]