79238480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 113606320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 359, 445, 496, 620, 712, 718, 890, 1240, 1424, 1436, 1780, 1795, 2480, 2759, 2872, 3560, 3590, 5518, 5744, 7120, 7180, 11036, 11129, 13795, 14360, 22072, 22258, 27590, 28720, 31951, 44144, 44516, 55180, 55645, 63902, 89032, 110360, 111290, 127804, 159755, 178064, 220720, 222580, 255608, 319510, 445160, 511216, 639020, 890320, 990481, 1278040, 1980962, 2556080, 3961924, 4952405, 7923848, 9904810, 15847696, 19809620, 39619240, 79238480]

約数ペア:

[(1, 79238480), (2, 39619240), (4, 19809620), (5, 15847696), (8, 9904810), (10, 7923848), (16, 4952405), (20, 3961924), (31, 2556080), (40, 1980962), (62, 1278040), (80, 990481), (89, 890320), (124, 639020), (155, 511216), (178, 445160), (248, 319510), (310, 255608), (356, 222580), (359, 220720), (445, 178064), (496, 159755), (620, 127804), (712, 111290), (718, 110360), (890, 89032), (1240, 63902), (1424, 55645), (1436, 55180), (1780, 44516), (1795, 44144), (2480, 31951), (2759, 28720), (2872, 27590), (3560, 22258), (3590, 22072), (5518, 14360), (5744, 13795), (7120, 11129), (7180, 11036)]