51550520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5939}}^1$

素因数の和:5988

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 85307080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 5939, 8680, 11878, 23756, 29695, 41573, 47512, 59390, 83146, 118780, 166292, 184109, 207865, 237560, 332584, 368218, 415730, 736436, 831460, 920545, 1288763, 1472872, 1662920, 1841090, 2577526, 3682180, 5155052, 6443815, 7364360, 10310104, 12887630, 25775260, 51550520]

約数ペア:

[(1, 51550520), (2, 25775260), (4, 12887630), (5, 10310104), (7, 7364360), (8, 6443815), (10, 5155052), (14, 3682180), (20, 2577526), (28, 1841090), (31, 1662920), (35, 1472872), (40, 1288763), (56, 920545), (62, 831460), (70, 736436), (124, 415730), (140, 368218), (155, 332584), (217, 237560), (248, 207865), (280, 184109), (310, 166292), (434, 118780), (620, 83146), (868, 59390), (1085, 47512), (1240, 41573), (1736, 29695), (2170, 23756), (4340, 11878), (5939, 8680)]