12782980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 33530112

約数和(自身を除く): 20747132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 131, 140, 164, 170, 205, 238, 262, 287, 340, 410, 476, 524, 574, 595, 655, 697, 820, 917, 1148, 1190, 1310, 1394, 1435, 1834, 2227, 2380, 2620, 2788, 2870, 3485, 3668, 4454, 4585, 4879, 5371, 5740, 6970, 8908, 9170, 9758, 10742, 11135, 13940, 15589, 18340, 19516, 21484, 22270, 24395, 26855, 31178, 37597, 44540, 48790, 53710, 62356, 75194, 77945, 91307, 97580, 107420, 150388, 155890, 182614, 187985, 311780, 365228, 375970, 456535, 639149, 751940, 913070, 1278298, 1826140, 2556596, 3195745, 6391490, 12782980]

約数ペア:

[(1, 12782980), (2, 6391490), (4, 3195745), (5, 2556596), (7, 1826140), (10, 1278298), (14, 913070), (17, 751940), (20, 639149), (28, 456535), (34, 375970), (35, 365228), (41, 311780), (68, 187985), (70, 182614), (82, 155890), (85, 150388), (119, 107420), (131, 97580), (140, 91307), (164, 77945), (170, 75194), (205, 62356), (238, 53710), (262, 48790), (287, 44540), (340, 37597), (410, 31178), (476, 26855), (524, 24395), (574, 22270), (595, 21484), (655, 19516), (697, 18340), (820, 15589), (917, 13940), (1148, 11135), (1190, 10742), (1310, 9758), (1394, 9170), (1435, 8908), (1834, 6970), (2227, 5740), (2380, 5371), (2620, 4879), (2788, 4585), (2870, 4454), (3485, 3668)]