40873965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 75423744

約数和(自身を除く): 34549779

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 61, 93, 131, 155, 165, 183, 305, 341, 393, 465, 655, 671, 915, 1023, 1441, 1705, 1891, 1965, 2013, 3355, 4061, 4323, 5115, 5673, 7205, 7991, 9455, 10065, 12183, 20305, 20801, 21615, 23973, 28365, 39955, 44671, 60915, 62403, 87901, 104005, 119865, 134013, 223355, 247721, 263703, 312015, 439505, 670065, 743163, 1238605, 1318515, 2724931, 3715815, 8174793, 13624655, 40873965]

約数ペア:

[(1, 40873965), (3, 13624655), (5, 8174793), (11, 3715815), (15, 2724931), (31, 1318515), (33, 1238605), (55, 743163), (61, 670065), (93, 439505), (131, 312015), (155, 263703), (165, 247721), (183, 223355), (305, 134013), (341, 119865), (393, 104005), (465, 87901), (655, 62403), (671, 60915), (915, 44671), (1023, 39955), (1441, 28365), (1705, 23973), (1891, 21615), (1965, 20801), (2013, 20305), (3355, 12183), (4061, 10065), (4323, 9455), (5115, 7991), (5673, 7205)]