66589900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 157028144

約数和(自身を除く): 90438244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 283, 325, 362, 566, 650, 724, 905, 1132, 1300, 1415, 1810, 2353, 2830, 3620, 3679, 4525, 4706, 5660, 7075, 7358, 9050, 9412, 11765, 14150, 14716, 18100, 18395, 23530, 28300, 36790, 47060, 51223, 58825, 73580, 91975, 102446, 117650, 183950, 204892, 235300, 256115, 367900, 512230, 665899, 1024460, 1280575, 1331798, 2561150, 2663596, 3329495, 5122300, 6658990, 13317980, 16647475, 33294950, 66589900]

約数ペア:

[(1, 66589900), (2, 33294950), (4, 16647475), (5, 13317980), (10, 6658990), (13, 5122300), (20, 3329495), (25, 2663596), (26, 2561150), (50, 1331798), (52, 1280575), (65, 1024460), (100, 665899), (130, 512230), (181, 367900), (260, 256115), (283, 235300), (325, 204892), (362, 183950), (566, 117650), (650, 102446), (724, 91975), (905, 73580), (1132, 58825), (1300, 51223), (1415, 47060), (1810, 36790), (2353, 28300), (2830, 23530), (3620, 18395), (3679, 18100), (4525, 14716), (4706, 14150), (5660, 11765), (7075, 9412), (7358, 9050)]