99951440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 245984256

約数和(自身を除く): 146032816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 983, 1240, 1271, 1640, 1966, 2480, 2542, 3280, 3932, 4915, 5084, 6355, 7864, 9830, 10168, 12710, 15728, 19660, 20336, 25420, 30473, 39320, 40303, 50840, 60946, 78640, 80606, 101680, 121892, 152365, 161212, 201515, 243784, 304730, 322424, 403030, 487568, 609460, 644848, 806060, 1218920, 1249393, 1612120, 2437840, 2498786, 3224240, 4997572, 6246965, 9995144, 12493930, 19990288, 24987860, 49975720, 99951440]

約数ペア:

[(1, 99951440), (2, 49975720), (4, 24987860), (5, 19990288), (8, 12493930), (10, 9995144), (16, 6246965), (20, 4997572), (31, 3224240), (40, 2498786), (41, 2437840), (62, 1612120), (80, 1249393), (82, 1218920), (124, 806060), (155, 644848), (164, 609460), (205, 487568), (248, 403030), (310, 322424), (328, 304730), (410, 243784), (496, 201515), (620, 161212), (656, 152365), (820, 121892), (983, 101680), (1240, 80606), (1271, 78640), (1640, 60946), (1966, 50840), (2480, 40303), (2542, 39320), (3280, 30473), (3932, 25420), (4915, 20336), (5084, 19660), (6355, 15728), (7864, 12710), (9830, 10168)]