40681888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5189

約数の個数: 48

約数和(自身を含む): 90810720

約数和(自身を除く): 50128832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 5147, 7904, 10294, 20588, 41176, 66911, 82352, 97793, 133822, 164704, 195586, 267644, 391172, 535288, 782344, 1070576, 1271309, 1564688, 2141152, 2542618, 3129376, 5085236, 10170472, 20340944, 40681888]

約数ペア:

[(1, 40681888), (2, 20340944), (4, 10170472), (8, 5085236), (13, 3129376), (16, 2542618), (19, 2141152), (26, 1564688), (32, 1271309), (38, 1070576), (52, 782344), (76, 535288), (104, 391172), (152, 267644), (208, 195586), (247, 164704), (304, 133822), (416, 97793), (494, 82352), (608, 66911), (988, 41176), (1976, 20588), (3952, 10294), (5147, 7904)]