78312650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 157885728

約数和(自身を除く): 79573078

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 211, 325, 422, 571, 650, 1055, 1142, 2110, 2743, 2855, 5275, 5486, 5710, 7423, 10550, 13715, 14275, 14846, 27430, 28550, 37115, 68575, 74230, 120481, 137150, 185575, 240962, 371150, 602405, 1204810, 1566253, 3012025, 3132506, 6024050, 7831265, 15662530, 39156325, 78312650]

約数ペア:

[(1, 78312650), (2, 39156325), (5, 15662530), (10, 7831265), (13, 6024050), (25, 3132506), (26, 3012025), (50, 1566253), (65, 1204810), (130, 602405), (211, 371150), (325, 240962), (422, 185575), (571, 137150), (650, 120481), (1055, 74230), (1142, 68575), (2110, 37115), (2743, 28550), (2855, 27430), (5275, 14846), (5486, 14275), (5710, 13715), (7423, 10550)]