40207040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 106984800

約数和(自身を除く): 66777760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 389, 544, 608, 646, 680, 760, 778, 1088, 1216, 1292, 1360, 1520, 1556, 1615, 1945, 2584, 2720, 3040, 3112, 3230, 3890, 5168, 5440, 6080, 6224, 6460, 6613, 7391, 7780, 10336, 12448, 12920, 13226, 14782, 15560, 20672, 24896, 25840, 26452, 29564, 31120, 33065, 36955, 51680, 52904, 59128, 62240, 66130, 73910, 103360, 105808, 118256, 124480, 125647, 132260, 147820, 211616, 236512, 251294, 264520, 295640, 423232, 473024, 502588, 529040, 591280, 628235, 1005176, 1058080, 1182560, 1256470, 2010352, 2116160, 2365120, 2512940, 4020704, 5025880, 8041408, 10051760, 20103520, 40207040]

約数ペア:

[(1, 40207040), (2, 20103520), (4, 10051760), (5, 8041408), (8, 5025880), (10, 4020704), (16, 2512940), (17, 2365120), (19, 2116160), (20, 2010352), (32, 1256470), (34, 1182560), (38, 1058080), (40, 1005176), (64, 628235), (68, 591280), (76, 529040), (80, 502588), (85, 473024), (95, 423232), (136, 295640), (152, 264520), (160, 251294), (170, 236512), (190, 211616), (272, 147820), (304, 132260), (320, 125647), (323, 124480), (340, 118256), (380, 105808), (389, 103360), (544, 73910), (608, 66130), (646, 62240), (680, 59128), (760, 52904), (778, 51680), (1088, 36955), (1216, 33065), (1292, 31120), (1360, 29564), (1520, 26452), (1556, 25840), (1615, 24896), (1945, 20672), (2584, 15560), (2720, 14782), (3040, 13226), (3112, 12920), (3230, 12448), (3890, 10336), (5168, 7780), (5440, 7391), (6080, 6613), (6224, 6460)]