39619240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53692760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 359, 445, 620, 712, 718, 890, 1240, 1436, 1780, 1795, 2759, 2872, 3560, 3590, 5518, 7180, 11036, 11129, 13795, 14360, 22072, 22258, 27590, 31951, 44516, 55180, 55645, 63902, 89032, 110360, 111290, 127804, 159755, 222580, 255608, 319510, 445160, 639020, 990481, 1278040, 1980962, 3961924, 4952405, 7923848, 9904810, 19809620, 39619240]

約数ペア:

[(1, 39619240), (2, 19809620), (4, 9904810), (5, 7923848), (8, 4952405), (10, 3961924), (20, 1980962), (31, 1278040), (40, 990481), (62, 639020), (89, 445160), (124, 319510), (155, 255608), (178, 222580), (248, 159755), (310, 127804), (356, 111290), (359, 110360), (445, 89032), (620, 63902), (712, 55645), (718, 55180), (890, 44516), (1240, 31951), (1436, 27590), (1780, 22258), (1795, 22072), (2759, 14360), (2872, 13795), (3560, 11129), (3590, 11036), (5518, 7180)]