40878640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 108055584

約数和(自身を除く): 67176944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 103, 110, 121, 164, 176, 205, 206, 220, 242, 328, 410, 412, 440, 451, 484, 515, 605, 656, 820, 824, 880, 902, 968, 1030, 1133, 1210, 1640, 1648, 1804, 1936, 2060, 2255, 2266, 2420, 3280, 3608, 4120, 4223, 4510, 4532, 4840, 4961, 5665, 7216, 8240, 8446, 9020, 9064, 9680, 9922, 11330, 12463, 16892, 18040, 18128, 19844, 21115, 22660, 24805, 24926, 33784, 36080, 39688, 42230, 45320, 46453, 49610, 49852, 62315, 67568, 79376, 84460, 90640, 92906, 99220, 99704, 124630, 168920, 185812, 198440, 199408, 232265, 249260, 337840, 371624, 396880, 464530, 498520, 510983, 743248, 929060, 997040, 1021966, 1858120, 2043932, 2554915, 3716240, 4087864, 5109830, 8175728, 10219660, 20439320, 40878640]

約数ペア:

[(1, 40878640), (2, 20439320), (4, 10219660), (5, 8175728), (8, 5109830), (10, 4087864), (11, 3716240), (16, 2554915), (20, 2043932), (22, 1858120), (40, 1021966), (41, 997040), (44, 929060), (55, 743248), (80, 510983), (82, 498520), (88, 464530), (103, 396880), (110, 371624), (121, 337840), (164, 249260), (176, 232265), (205, 199408), (206, 198440), (220, 185812), (242, 168920), (328, 124630), (410, 99704), (412, 99220), (440, 92906), (451, 90640), (484, 84460), (515, 79376), (605, 67568), (656, 62315), (820, 49852), (824, 49610), (880, 46453), (902, 45320), (968, 42230), (1030, 39688), (1133, 36080), (1210, 33784), (1640, 24926), (1648, 24805), (1804, 22660), (1936, 21115), (2060, 19844), (2255, 18128), (2266, 18040), (2420, 16892), (3280, 12463), (3608, 11330), (4120, 9922), (4223, 9680), (4510, 9064), (4532, 9020), (4840, 8446), (4961, 8240), (5665, 7216)]