1300000624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5449}}^1$

素因数の和:5538

約数の個数: 80

約数和(自身を含む): 2876204800

約数和(自身を除く): 1576204176

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 481, 496, 592, 806, 962, 1147, 1612, 1924, 2294, 3224, 3848, 4588, 5449, 6448, 7696, 9176, 10898, 14911, 18352, 21796, 29822, 43592, 59644, 70837, 87184, 119288, 141674, 168919, 201613, 238576, 283348, 337838, 403226, 566696, 675676, 806452, 1133392, 1351352, 1612904, 2195947, 2620969, 2702704, 3225808, 4391894, 5241938, 6250003, 8783788, 10483876, 12500006, 17567576, 20967752, 25000012, 35135152, 41935504, 50000024, 81250039, 100000048, 162500078, 325000156, 650000312, 1300000624]

約数ペア:

[(1, 1300000624), (2, 650000312), (4, 325000156), (8, 162500078), (13, 100000048), (16, 81250039), (26, 50000024), (31, 41935504), (37, 35135152), (52, 25000012), (62, 20967752), (74, 17567576), (104, 12500006), (124, 10483876), (148, 8783788), (208, 6250003), (248, 5241938), (296, 4391894), (403, 3225808), (481, 2702704), (496, 2620969), (592, 2195947), (806, 1612904), (962, 1351352), (1147, 1133392), (1612, 806452), (1924, 675676), (2294, 566696), (3224, 403226), (3848, 337838), (4588, 283348), (5449, 238576), (6448, 201613), (7696, 168919), (9176, 141674), (10898, 119288), (14911, 87184), (18352, 70837), (21796, 59644), (29822, 43592)]