72781150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2797

約数の個数: 48

約数和(自身を含む): 149396688

約数和(自身を除く): 76615538

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 1025, 1066, 2050, 2665, 2731, 5330, 5462, 13325, 13655, 26650, 27310, 35503, 68275, 71006, 111971, 136550, 177515, 223942, 355030, 559855, 887575, 1119710, 1455623, 1775150, 2799275, 2911246, 5598550, 7278115, 14556230, 36390575, 72781150]

約数ペア:

[(1, 72781150), (2, 36390575), (5, 14556230), (10, 7278115), (13, 5598550), (25, 2911246), (26, 2799275), (41, 1775150), (50, 1455623), (65, 1119710), (82, 887575), (130, 559855), (205, 355030), (325, 223942), (410, 177515), (533, 136550), (650, 111971), (1025, 71006), (1066, 68275), (2050, 35503), (2665, 27310), (2731, 26650), (5330, 13655), (5462, 13325)]