260243750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3243

約数の個数: 48

約数和(自身を含む): 525622608

約数和(自身を除く): 265378858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3125, 3203, 3250, 6250, 6406, 8125, 16015, 16250, 32030, 40625, 41639, 80075, 81250, 83278, 160150, 208195, 400375, 416390, 800750, 1040975, 2001875, 2081950, 4003750, 5204875, 10009375, 10409750, 20018750, 26024375, 52048750, 130121875, 260243750]

約数ペア:

[(1, 260243750), (2, 130121875), (5, 52048750), (10, 26024375), (13, 20018750), (25, 10409750), (26, 10009375), (50, 5204875), (65, 4003750), (125, 2081950), (130, 2001875), (250, 1040975), (325, 800750), (625, 416390), (650, 400375), (1250, 208195), (1625, 160150), (3125, 83278), (3203, 81250), (3250, 80075), (6250, 41639), (6406, 40625), (8125, 32030), (16015, 16250)]