28439800

素因数分解:

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

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 67395240

約数和(自身を除く): 38955440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 2683, 5300, 5366, 10600, 10732, 13415, 21464, 26830, 53660, 67075, 107320, 134150, 142199, 268300, 284398, 536600, 568796, 710995, 1137592, 1421990, 2843980, 3554975, 5687960, 7109950, 14219900, 28439800]

約数ペア:

[(1, 28439800), (2, 14219900), (4, 7109950), (5, 5687960), (8, 3554975), (10, 2843980), (20, 1421990), (25, 1137592), (40, 710995), (50, 568796), (53, 536600), (100, 284398), (106, 268300), (200, 142199), (212, 134150), (265, 107320), (424, 67075), (530, 53660), (1060, 26830), (1325, 21464), (2120, 13415), (2650, 10732), (2683, 10600), (5300, 5366)]