49975720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 119024640

約数和(自身を除く): 69048920

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, 983, 1240, 1271, 1640, 1966, 2542, 3932, 4915, 5084, 6355, 7864, 9830, 10168, 12710, 19660, 25420, 30473, 39320, 40303, 50840, 60946, 80606, 121892, 152365, 161212, 201515, 243784, 304730, 322424, 403030, 609460, 806060, 1218920, 1249393, 1612120, 2498786, 4997572, 6246965, 9995144, 12493930, 24987860, 49975720]

約数ペア:

[(1, 49975720), (2, 24987860), (4, 12493930), (5, 9995144), (8, 6246965), (10, 4997572), (20, 2498786), (31, 1612120), (40, 1249393), (41, 1218920), (62, 806060), (82, 609460), (124, 403030), (155, 322424), (164, 304730), (205, 243784), (248, 201515), (310, 161212), (328, 152365), (410, 121892), (620, 80606), (820, 60946), (983, 50840), (1240, 40303), (1271, 39320), (1640, 30473), (1966, 25420), (2542, 19660), (3932, 12710), (4915, 10168), (5084, 9830), (6355, 7864)]