426681520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172049}}^1$

素因数の和:172093

約数の個数: 40

約数和(自身を含む): 1024041600

約数和(自身を除く): 597360080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 172049, 344098, 688196, 860245, 1376392, 1720490, 2752784, 3440980, 5333519, 6881960, 10667038, 13763920, 21334076, 26667595, 42668152, 53335190, 85336304, 106670380, 213340760, 426681520]

約数ペア:

[(1, 426681520), (2, 213340760), (4, 106670380), (5, 85336304), (8, 53335190), (10, 42668152), (16, 26667595), (20, 21334076), (31, 13763920), (40, 10667038), (62, 6881960), (80, 5333519), (124, 3440980), (155, 2752784), (248, 1720490), (310, 1376392), (496, 860245), (620, 688196), (1240, 344098), (2480, 172049)]