51541840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3020

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 89877680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 2969, 3472, 4340, 5938, 8680, 11876, 14845, 17360, 20783, 23752, 29690, 41566, 47504, 59380, 83132, 92039, 103915, 118760, 166264, 184078, 207830, 237520, 332528, 368156, 415660, 460195, 644273, 736312, 831320, 920390, 1288546, 1472624, 1662640, 1840780, 2577092, 3221365, 3681560, 5154184, 6442730, 7363120, 10308368, 12885460, 25770920, 51541840]

約数ペア:

[(1, 51541840), (2, 25770920), (4, 12885460), (5, 10308368), (7, 7363120), (8, 6442730), (10, 5154184), (14, 3681560), (16, 3221365), (20, 2577092), (28, 1840780), (31, 1662640), (35, 1472624), (40, 1288546), (56, 920390), (62, 831320), (70, 736312), (80, 644273), (112, 460195), (124, 415660), (140, 368156), (155, 332528), (217, 237520), (248, 207830), (280, 184078), (310, 166264), (434, 118760), (496, 103915), (560, 92039), (620, 83132), (868, 59380), (1085, 47504), (1240, 41566), (1736, 29690), (2170, 23752), (2480, 20783), (2969, 17360), (3472, 14845), (4340, 11876), (5938, 8680)]