38707840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 95569920

約数和(自身を除く): 56862080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1951, 1984, 2480, 3902, 3968, 4960, 7804, 9755, 9920, 15608, 19510, 19840, 31216, 39020, 60481, 62432, 78040, 120962, 124864, 156080, 241924, 249728, 302405, 312160, 483848, 604810, 624320, 967696, 1209620, 1248640, 1935392, 2419240, 3870784, 4838480, 7741568, 9676960, 19353920, 38707840]

約数ペア:

[(1, 38707840), (2, 19353920), (4, 9676960), (5, 7741568), (8, 4838480), (10, 3870784), (16, 2419240), (20, 1935392), (31, 1248640), (32, 1209620), (40, 967696), (62, 624320), (64, 604810), (80, 483848), (124, 312160), (128, 302405), (155, 249728), (160, 241924), (248, 156080), (310, 124864), (320, 120962), (496, 78040), (620, 62432), (640, 60481), (992, 39020), (1240, 31216), (1951, 19840), (1984, 19510), (2480, 15608), (3902, 9920), (3968, 9755), (4960, 7804)]