40975025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 66495744

約数和(自身を除く): 25520719

約数列:

[1, 5, 7, 13, 25, 31, 35, 49, 65, 83, 91, 155, 175, 217, 245, 325, 403, 415, 455, 581, 637, 775, 1079, 1085, 1225, 1519, 2015, 2075, 2275, 2573, 2821, 2905, 3185, 4067, 5395, 5425, 7553, 7595, 10075, 12865, 14105, 14525, 15925, 18011, 19747, 20335, 26975, 33449, 37765, 37975, 52871, 64325, 70525, 90055, 98735, 101675, 126077, 167245, 188825, 234143, 264355, 450275, 493675, 630385, 836225, 1170715, 1321775, 1639001, 3151925, 5853575, 8195005, 40975025]

約数ペア:

[(1, 40975025), (5, 8195005), (7, 5853575), (13, 3151925), (25, 1639001), (31, 1321775), (35, 1170715), (49, 836225), (65, 630385), (83, 493675), (91, 450275), (155, 264355), (175, 234143), (217, 188825), (245, 167245), (325, 126077), (403, 101675), (415, 98735), (455, 90055), (581, 70525), (637, 64325), (775, 52871), (1079, 37975), (1085, 37765), (1225, 33449), (1519, 26975), (2015, 20335), (2075, 19747), (2275, 18011), (2573, 15925), (2821, 14525), (2905, 14105), (3185, 12865), (4067, 10075), (5395, 7595), (5425, 7553)]