72037420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39581}}^1$

素因数の和:39610

約数の個数: 48

約数和(自身を含む): 186193728

約数和(自身を除く): 114156308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39581, 79162, 158324, 197905, 277067, 395810, 514553, 554134, 791620, 1029106, 1108268, 1385335, 2058212, 2572765, 2770670, 3601871, 5145530, 5541340, 7203742, 10291060, 14407484, 18009355, 36018710, 72037420]

約数ペア:

[(1, 72037420), (2, 36018710), (4, 18009355), (5, 14407484), (7, 10291060), (10, 7203742), (13, 5541340), (14, 5145530), (20, 3601871), (26, 2770670), (28, 2572765), (35, 2058212), (52, 1385335), (65, 1108268), (70, 1029106), (91, 791620), (130, 554134), (140, 514553), (182, 395810), (260, 277067), (364, 197905), (455, 158324), (910, 79162), (1820, 39581)]