55154450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1679

約数の個数: 48

約数和(自身を含む): 112633416

約数和(自身を除く): 57478966

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 1601, 2650, 3202, 3445, 6890, 8005, 16010, 17225, 20813, 34450, 40025, 41626, 80050, 84853, 104065, 169706, 208130, 424265, 520325, 848530, 1040650, 1103089, 2121325, 2206178, 4242650, 5515445, 11030890, 27577225, 55154450]

約数ペア:

[(1, 55154450), (2, 27577225), (5, 11030890), (10, 5515445), (13, 4242650), (25, 2206178), (26, 2121325), (50, 1103089), (53, 1040650), (65, 848530), (106, 520325), (130, 424265), (265, 208130), (325, 169706), (530, 104065), (650, 84853), (689, 80050), (1325, 41626), (1378, 40025), (1601, 34450), (2650, 20813), (3202, 17225), (3445, 16010), (6890, 8005)]