28957120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5357

約数の個数: 56

約数和(自身を含む): 73023984

約数和(自身を除く): 44066864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5323, 5440, 10646, 21292, 26615, 42584, 53230, 85168, 90491, 106460, 170336, 180982, 212920, 340672, 361964, 425840, 452455, 723928, 851680, 904910, 1447856, 1703360, 1809820, 2895712, 3619640, 5791424, 7239280, 14478560, 28957120]

約数ペア:

[(1, 28957120), (2, 14478560), (4, 7239280), (5, 5791424), (8, 3619640), (10, 2895712), (16, 1809820), (17, 1703360), (20, 1447856), (32, 904910), (34, 851680), (40, 723928), (64, 452455), (68, 425840), (80, 361964), (85, 340672), (136, 212920), (160, 180982), (170, 170336), (272, 106460), (320, 90491), (340, 85168), (544, 53230), (680, 42584), (1088, 26615), (1360, 21292), (2720, 10646), (5323, 5440)]