8051420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 18416160

約数和(自身を除く): 10364740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 179, 260, 346, 358, 692, 716, 865, 895, 1730, 1790, 2249, 2327, 3460, 3580, 4498, 4654, 8996, 9308, 11245, 11635, 22490, 23270, 30967, 44980, 46540, 61934, 123868, 154835, 309670, 402571, 619340, 805142, 1610284, 2012855, 4025710, 8051420]

約数ペア:

[(1, 8051420), (2, 4025710), (4, 2012855), (5, 1610284), (10, 805142), (13, 619340), (20, 402571), (26, 309670), (52, 154835), (65, 123868), (130, 61934), (173, 46540), (179, 44980), (260, 30967), (346, 23270), (358, 22490), (692, 11635), (716, 11245), (865, 9308), (895, 8996), (1730, 4654), (1790, 4498), (2249, 3580), (2327, 3460)]