2123456240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{5483}}^1$

素因数の和:5646

約数の個数: 80

約数和(自身を含む): 5091959808

約数和(自身を除く): 2968503568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 103, 188, 206, 235, 376, 412, 470, 515, 752, 824, 940, 1030, 1648, 1880, 2060, 3760, 4120, 4841, 5483, 8240, 9682, 10966, 19364, 21932, 24205, 27415, 38728, 43864, 48410, 54830, 77456, 87728, 96820, 109660, 193640, 219320, 257701, 387280, 438640, 515402, 564749, 1030804, 1129498, 1288505, 2061608, 2258996, 2577010, 2823745, 4123216, 4517992, 5154020, 5647490, 9035984, 10308040, 11294980, 20616080, 22589960, 26543203, 45179920, 53086406, 106172812, 132716015, 212345624, 265432030, 424691248, 530864060, 1061728120, 2123456240]

約数ペア:

[(1, 2123456240), (2, 1061728120), (4, 530864060), (5, 424691248), (8, 265432030), (10, 212345624), (16, 132716015), (20, 106172812), (40, 53086406), (47, 45179920), (80, 26543203), (94, 22589960), (103, 20616080), (188, 11294980), (206, 10308040), (235, 9035984), (376, 5647490), (412, 5154020), (470, 4517992), (515, 4123216), (752, 2823745), (824, 2577010), (940, 2258996), (1030, 2061608), (1648, 1288505), (1880, 1129498), (2060, 1030804), (3760, 564749), (4120, 515402), (4841, 438640), (5483, 387280), (8240, 257701), (9682, 219320), (10966, 193640), (19364, 109660), (21932, 96820), (24205, 87728), (27415, 77456), (38728, 54830), (43864, 48410)]