39815720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2683}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 104353920

約数和(自身を除く): 64538200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2683, 2968, 3710, 5366, 7420, 10732, 13415, 14840, 18781, 21464, 26830, 37562, 53660, 75124, 93905, 107320, 142199, 150248, 187810, 284398, 375620, 568796, 710995, 751240, 995393, 1137592, 1421990, 1990786, 2843980, 3981572, 4976965, 5687960, 7963144, 9953930, 19907860, 39815720]

約数ペア:

[(1, 39815720), (2, 19907860), (4, 9953930), (5, 7963144), (7, 5687960), (8, 4976965), (10, 3981572), (14, 2843980), (20, 1990786), (28, 1421990), (35, 1137592), (40, 995393), (53, 751240), (56, 710995), (70, 568796), (106, 375620), (140, 284398), (212, 187810), (265, 150248), (280, 142199), (371, 107320), (424, 93905), (530, 75124), (742, 53660), (1060, 37562), (1484, 26830), (1855, 21464), (2120, 18781), (2683, 14840), (2968, 13415), (3710, 10732), (5366, 7420)]