40686880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 107025408

約数和(自身を除く): 66338528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 631, 806, 992, 1040, 1240, 1262, 1612, 2015, 2080, 2480, 2524, 3155, 3224, 4030, 4960, 5048, 6310, 6448, 8060, 8203, 10096, 12620, 12896, 16120, 16406, 19561, 20192, 25240, 32240, 32812, 39122, 41015, 50480, 64480, 65624, 78244, 82030, 97805, 100960, 131248, 156488, 164060, 195610, 254293, 262496, 312976, 328120, 391220, 508586, 625952, 656240, 782440, 1017172, 1271465, 1312480, 1564880, 2034344, 2542930, 3129760, 4068688, 5085860, 8137376, 10171720, 20343440, 40686880]

約数ペア:

[(1, 40686880), (2, 20343440), (4, 10171720), (5, 8137376), (8, 5085860), (10, 4068688), (13, 3129760), (16, 2542930), (20, 2034344), (26, 1564880), (31, 1312480), (32, 1271465), (40, 1017172), (52, 782440), (62, 656240), (65, 625952), (80, 508586), (104, 391220), (124, 328120), (130, 312976), (155, 262496), (160, 254293), (208, 195610), (248, 164060), (260, 156488), (310, 131248), (403, 100960), (416, 97805), (496, 82030), (520, 78244), (620, 65624), (631, 64480), (806, 50480), (992, 41015), (1040, 39122), (1240, 32812), (1262, 32240), (1612, 25240), (2015, 20192), (2080, 19561), (2480, 16406), (2524, 16120), (3155, 12896), (3224, 12620), (4030, 10096), (4960, 8203), (5048, 8060), (6310, 6448)]