40865825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 71995392

約数和(自身を除く): 31129567

約数列:

[1, 5, 7, 11, 13, 23, 25, 35, 55, 65, 71, 77, 91, 115, 143, 161, 175, 253, 275, 299, 325, 355, 385, 455, 497, 575, 715, 781, 805, 923, 1001, 1265, 1495, 1633, 1771, 1775, 1925, 2093, 2275, 2485, 3289, 3575, 3905, 4025, 4615, 5005, 5467, 6325, 6461, 7475, 8165, 8855, 10153, 10465, 11431, 12425, 16445, 17963, 19525, 21229, 23023, 23075, 25025, 27335, 32305, 40825, 44275, 50765, 52325, 57155, 71071, 82225, 89815, 106145, 115115, 125741, 136675, 148603, 161525, 233519, 253825, 285775, 355355, 449075, 530725, 575575, 628705, 743015, 1167595, 1634633, 1776775, 3143525, 3715075, 5837975, 8173165, 40865825]

約数ペア:

[(1, 40865825), (5, 8173165), (7, 5837975), (11, 3715075), (13, 3143525), (23, 1776775), (25, 1634633), (35, 1167595), (55, 743015), (65, 628705), (71, 575575), (77, 530725), (91, 449075), (115, 355355), (143, 285775), (161, 253825), (175, 233519), (253, 161525), (275, 148603), (299, 136675), (325, 125741), (355, 115115), (385, 106145), (455, 89815), (497, 82225), (575, 71071), (715, 57155), (781, 52325), (805, 50765), (923, 44275), (1001, 40825), (1265, 32305), (1495, 27335), (1633, 25025), (1771, 23075), (1775, 23023), (1925, 21229), (2093, 19525), (2275, 17963), (2485, 16445), (3289, 12425), (3575, 11431), (3905, 10465), (4025, 10153), (4615, 8855), (5005, 8165), (5467, 7475), (6325, 6461)]