1388156900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6551}}^1$

素因数の和:6741

約数の個数: 72

約数和(自身を含む): 3264416064

約数和(自身を除く): 1876259164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 260, 325, 326, 650, 652, 815, 1300, 1630, 2119, 3260, 4075, 4238, 6551, 8150, 8476, 10595, 13102, 16300, 21190, 26204, 32755, 42380, 52975, 65510, 85163, 105950, 131020, 163775, 170326, 211900, 327550, 340652, 425815, 655100, 851630, 1067813, 1703260, 2129075, 2135626, 4258150, 4271252, 5339065, 8516300, 10678130, 13881569, 21356260, 26695325, 27763138, 53390650, 55526276, 69407845, 106781300, 138815690, 277631380, 347039225, 694078450, 1388156900]

約数ペア:

[(1, 1388156900), (2, 694078450), (4, 347039225), (5, 277631380), (10, 138815690), (13, 106781300), (20, 69407845), (25, 55526276), (26, 53390650), (50, 27763138), (52, 26695325), (65, 21356260), (100, 13881569), (130, 10678130), (163, 8516300), (260, 5339065), (325, 4271252), (326, 4258150), (650, 2135626), (652, 2129075), (815, 1703260), (1300, 1067813), (1630, 851630), (2119, 655100), (3260, 425815), (4075, 340652), (4238, 327550), (6551, 211900), (8150, 170326), (8476, 163775), (10595, 131020), (13102, 105950), (16300, 85163), (21190, 65510), (26204, 52975), (32755, 42380)]