20122569680

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1\times {\mathrm{3449}}^1$

素因数の和:4008

約数の個数: 80

約数和(自身を含む): 47149549200

約数和(自身を除く): 27026979520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 313, 466, 626, 932, 1165, 1252, 1565, 1864, 2330, 2504, 3130, 3449, 3728, 4660, 5008, 6260, 6898, 9320, 12520, 13796, 17245, 18640, 25040, 27592, 34490, 55184, 68980, 72929, 137960, 145858, 275920, 291716, 364645, 583432, 729290, 803617, 1079537, 1166864, 1458580, 1607234, 2159074, 2917160, 3214468, 4018085, 4318148, 5397685, 5834320, 6428936, 8036170, 8636296, 10795370, 12857872, 16072340, 17272592, 21590740, 32144680, 43181480, 64289360, 86362960, 251532121, 503064242, 1006128484, 1257660605, 2012256968, 2515321210, 4024513936, 5030642420, 10061284840, 20122569680]

約数ペア:

[(1, 20122569680), (2, 10061284840), (4, 5030642420), (5, 4024513936), (8, 2515321210), (10, 2012256968), (16, 1257660605), (20, 1006128484), (40, 503064242), (80, 251532121), (233, 86362960), (313, 64289360), (466, 43181480), (626, 32144680), (932, 21590740), (1165, 17272592), (1252, 16072340), (1565, 12857872), (1864, 10795370), (2330, 8636296), (2504, 8036170), (3130, 6428936), (3449, 5834320), (3728, 5397685), (4660, 4318148), (5008, 4018085), (6260, 3214468), (6898, 2917160), (9320, 2159074), (12520, 1607234), (13796, 1458580), (17245, 1166864), (18640, 1079537), (25040, 803617), (27592, 729290), (34490, 583432), (55184, 364645), (68980, 291716), (72929, 275920), (137960, 145858)]