25770920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3018

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 42657880

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, 2969, 4340, 5938, 8680, 11876, 14845, 20783, 23752, 29690, 41566, 59380, 83132, 92039, 103915, 118760, 166264, 184078, 207830, 368156, 415660, 460195, 644273, 736312, 831320, 920390, 1288546, 1840780, 2577092, 3221365, 3681560, 5154184, 6442730, 12885460, 25770920]

約数ペア:

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