85393840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4970

約数の個数: 80

約数和(自身を含む): 234270720

約数和(自身を除く): 148876880

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, 3472, 4340, 4919, 8680, 9838, 17360, 19676, 24595, 34433, 39352, 49190, 68866, 78704, 98380, 137732, 152489, 172165, 196760, 275464, 304978, 344330, 393520, 550928, 609956, 688660, 762445, 1067423, 1219912, 1377320, 1524890, 2134846, 2439824, 2754640, 3049780, 4269692, 5337115, 6099560, 8539384, 10674230, 12199120, 17078768, 21348460, 42696920, 85393840]

約数ペア:

[(1, 85393840), (2, 42696920), (4, 21348460), (5, 17078768), (7, 12199120), (8, 10674230), (10, 8539384), (14, 6099560), (16, 5337115), (20, 4269692), (28, 3049780), (31, 2754640), (35, 2439824), (40, 2134846), (56, 1524890), (62, 1377320), (70, 1219912), (80, 1067423), (112, 762445), (124, 688660), (140, 609956), (155, 550928), (217, 393520), (248, 344330), (280, 304978), (310, 275464), (434, 196760), (496, 172165), (560, 152489), (620, 137732), (868, 98380), (1085, 78704), (1240, 68866), (1736, 49190), (2170, 39352), (2480, 34433), (3472, 24595), (4340, 19676), (4919, 17360), (8680, 9838)]