28660640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 73728144

約数和(自身を除く): 45067504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 205, 257, 272, 328, 340, 410, 514, 544, 656, 680, 697, 820, 1028, 1285, 1312, 1360, 1394, 1640, 2056, 2570, 2720, 2788, 3280, 3485, 4112, 4369, 5140, 5576, 6560, 6970, 8224, 8738, 10280, 10537, 11152, 13940, 17476, 20560, 21074, 21845, 22304, 27880, 34952, 41120, 42148, 43690, 52685, 55760, 69904, 84296, 87380, 105370, 111520, 139808, 168592, 174760, 179129, 210740, 337184, 349520, 358258, 421480, 699040, 716516, 842960, 895645, 1433032, 1685920, 1791290, 2866064, 3582580, 5732128, 7165160, 14330320, 28660640]

約数ペア:

[(1, 28660640), (2, 14330320), (4, 7165160), (5, 5732128), (8, 3582580), (10, 2866064), (16, 1791290), (17, 1685920), (20, 1433032), (32, 895645), (34, 842960), (40, 716516), (41, 699040), (68, 421480), (80, 358258), (82, 349520), (85, 337184), (136, 210740), (160, 179129), (164, 174760), (170, 168592), (205, 139808), (257, 111520), (272, 105370), (328, 87380), (340, 84296), (410, 69904), (514, 55760), (544, 52685), (656, 43690), (680, 42148), (697, 41120), (820, 34952), (1028, 27880), (1285, 22304), (1312, 21845), (1360, 21074), (1394, 20560), (1640, 17476), (2056, 13940), (2570, 11152), (2720, 10537), (2788, 10280), (3280, 8738), (3485, 8224), (4112, 6970), (4369, 6560), (5140, 5576)]