25540120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 64501920

約数和(自身を除く): 38961800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 71, 85, 92, 115, 136, 142, 170, 184, 230, 284, 340, 355, 391, 460, 529, 568, 680, 710, 782, 920, 1058, 1207, 1420, 1564, 1633, 1955, 2116, 2414, 2645, 2840, 3128, 3266, 3910, 4232, 4828, 5290, 6035, 6532, 7820, 8165, 8993, 9656, 10580, 12070, 13064, 15640, 16330, 17986, 21160, 24140, 27761, 32660, 35972, 37559, 44965, 48280, 55522, 65320, 71944, 75118, 89930, 111044, 138805, 150236, 179860, 187795, 222088, 277610, 300472, 359720, 375590, 555220, 638503, 751180, 1110440, 1277006, 1502360, 2554012, 3192515, 5108024, 6385030, 12770060, 25540120]

約数ペア:

[(1, 25540120), (2, 12770060), (4, 6385030), (5, 5108024), (8, 3192515), (10, 2554012), (17, 1502360), (20, 1277006), (23, 1110440), (34, 751180), (40, 638503), (46, 555220), (68, 375590), (71, 359720), (85, 300472), (92, 277610), (115, 222088), (136, 187795), (142, 179860), (170, 150236), (184, 138805), (230, 111044), (284, 89930), (340, 75118), (355, 71944), (391, 65320), (460, 55522), (529, 48280), (568, 44965), (680, 37559), (710, 35972), (782, 32660), (920, 27761), (1058, 24140), (1207, 21160), (1420, 17986), (1564, 16330), (1633, 15640), (1955, 13064), (2116, 12070), (2414, 10580), (2645, 9656), (2840, 8993), (3128, 8165), (3266, 7820), (3910, 6532), (4232, 6035), (4828, 5290)]