40873456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 90244224

約数和(自身を除く): 49370768

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 47, 52, 74, 94, 104, 113, 148, 188, 208, 226, 296, 376, 452, 481, 592, 611, 752, 904, 962, 1222, 1469, 1739, 1808, 1924, 2444, 2938, 3478, 3848, 4181, 4888, 5311, 5876, 6956, 7696, 8362, 9776, 10622, 11752, 13912, 16724, 21244, 22607, 23504, 27824, 33448, 42488, 45214, 54353, 66896, 69043, 84976, 90428, 108706, 138086, 180856, 196507, 217412, 276172, 361712, 393014, 434824, 552344, 786028, 869648, 1104688, 1572056, 2554591, 3144112, 5109182, 10218364, 20436728, 40873456]

約数ペア:

[(1, 40873456), (2, 20436728), (4, 10218364), (8, 5109182), (13, 3144112), (16, 2554591), (26, 1572056), (37, 1104688), (47, 869648), (52, 786028), (74, 552344), (94, 434824), (104, 393014), (113, 361712), (148, 276172), (188, 217412), (208, 196507), (226, 180856), (296, 138086), (376, 108706), (452, 90428), (481, 84976), (592, 69043), (611, 66896), (752, 54353), (904, 45214), (962, 42488), (1222, 33448), (1469, 27824), (1739, 23504), (1808, 22607), (1924, 21244), (2444, 16724), (2938, 13912), (3478, 11752), (3848, 10622), (4181, 9776), (4888, 8362), (5311, 7696), (5876, 6956)]