27690650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 58204980

約数和(自身を除く): 30514330

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 113, 130, 145, 169, 226, 290, 325, 338, 377, 565, 650, 725, 754, 845, 1130, 1450, 1469, 1690, 1885, 2825, 2938, 3277, 3770, 4225, 4901, 5650, 6554, 7345, 8450, 9425, 9802, 14690, 16385, 18850, 19097, 24505, 32770, 36725, 38194, 42601, 49010, 73450, 81925, 85202, 95485, 122525, 163850, 190970, 213005, 245050, 426010, 477425, 553813, 954850, 1065025, 1107626, 2130050, 2769065, 5538130, 13845325, 27690650]

約数ペア:

[(1, 27690650), (2, 13845325), (5, 5538130), (10, 2769065), (13, 2130050), (25, 1107626), (26, 1065025), (29, 954850), (50, 553813), (58, 477425), (65, 426010), (113, 245050), (130, 213005), (145, 190970), (169, 163850), (226, 122525), (290, 95485), (325, 85202), (338, 81925), (377, 73450), (565, 49010), (650, 42601), (725, 38194), (754, 36725), (845, 32770), (1130, 24505), (1450, 19097), (1469, 18850), (1690, 16385), (1885, 14690), (2825, 9802), (2938, 9425), (3277, 8450), (3770, 7345), (4225, 6554), (4901, 5650)]