12657520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 32060448

約数和(自身を除く): 19402928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 227, 272, 328, 340, 410, 454, 656, 680, 697, 820, 908, 1135, 1360, 1394, 1640, 1816, 2270, 2788, 3280, 3485, 3632, 3859, 4540, 5576, 6970, 7718, 9080, 9307, 11152, 13940, 15436, 18160, 18614, 19295, 27880, 30872, 37228, 38590, 46535, 55760, 61744, 74456, 77180, 93070, 148912, 154360, 158219, 186140, 308720, 316438, 372280, 632876, 744560, 791095, 1265752, 1582190, 2531504, 3164380, 6328760, 12657520]

約数ペア:

[(1, 12657520), (2, 6328760), (4, 3164380), (5, 2531504), (8, 1582190), (10, 1265752), (16, 791095), (17, 744560), (20, 632876), (34, 372280), (40, 316438), (41, 308720), (68, 186140), (80, 158219), (82, 154360), (85, 148912), (136, 93070), (164, 77180), (170, 74456), (205, 61744), (227, 55760), (272, 46535), (328, 38590), (340, 37228), (410, 30872), (454, 27880), (656, 19295), (680, 18614), (697, 18160), (820, 15436), (908, 13940), (1135, 11152), (1360, 9307), (1394, 9080), (1640, 7718), (1816, 6970), (2270, 5576), (2788, 4540), (3280, 3859), (3485, 3632)]