130228520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105023}}^1$

素因数の和:105065

約数の個数: 32

約数和(自身を含む): 302469120

約数和(自身を除く): 172240600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 105023, 210046, 420092, 525115, 840184, 1050230, 2100460, 3255713, 4200920, 6511426, 13022852, 16278565, 26045704, 32557130, 65114260, 130228520]

約数ペア:

[(1, 130228520), (2, 65114260), (4, 32557130), (5, 26045704), (8, 16278565), (10, 13022852), (20, 6511426), (31, 4200920), (40, 3255713), (62, 2100460), (124, 1050230), (155, 840184), (248, 525115), (310, 420092), (620, 210046), (1240, 105023)]