40987425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 75526912

約数和(自身を除く): 34539487

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 61, 75, 85, 93, 155, 183, 255, 289, 305, 425, 465, 527, 775, 867, 915, 1037, 1275, 1445, 1525, 1581, 1891, 2325, 2635, 3111, 4335, 4575, 5185, 5673, 7225, 7905, 8959, 9455, 13175, 15555, 17629, 21675, 25925, 26877, 28365, 32147, 39525, 44795, 47275, 52887, 77775, 88145, 96441, 134385, 141825, 160735, 223975, 264435, 440725, 482205, 546499, 671925, 803675, 1322175, 1639497, 2411025, 2732495, 8197485, 13662475, 40987425]

約数ペア:

[(1, 40987425), (3, 13662475), (5, 8197485), (15, 2732495), (17, 2411025), (25, 1639497), (31, 1322175), (51, 803675), (61, 671925), (75, 546499), (85, 482205), (93, 440725), (155, 264435), (183, 223975), (255, 160735), (289, 141825), (305, 134385), (425, 96441), (465, 88145), (527, 77775), (775, 52887), (867, 47275), (915, 44795), (1037, 39525), (1275, 32147), (1445, 28365), (1525, 26877), (1581, 25925), (1891, 21675), (2325, 17629), (2635, 15555), (3111, 13175), (4335, 9455), (4575, 8959), (5185, 7905), (5673, 7225)]