129644320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 332782128

約数和(自身を除く): 203137808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 157, 160, 208, 260, 314, 397, 416, 520, 628, 785, 794, 1040, 1256, 1570, 1588, 1985, 2041, 2080, 2512, 3140, 3176, 3970, 4082, 5024, 5161, 6280, 6352, 7940, 8164, 10205, 10322, 12560, 12704, 15880, 16328, 20410, 20644, 25120, 25805, 31760, 32656, 40820, 41288, 51610, 62329, 63520, 65312, 81640, 82576, 103220, 124658, 163280, 165152, 206440, 249316, 311645, 326560, 412880, 498632, 623290, 810277, 825760, 997264, 1246580, 1620554, 1994528, 2493160, 3241108, 4051385, 4986320, 6482216, 8102770, 9972640, 12964432, 16205540, 25928864, 32411080, 64822160, 129644320]

約数ペア:

[(1, 129644320), (2, 64822160), (4, 32411080), (5, 25928864), (8, 16205540), (10, 12964432), (13, 9972640), (16, 8102770), (20, 6482216), (26, 4986320), (32, 4051385), (40, 3241108), (52, 2493160), (65, 1994528), (80, 1620554), (104, 1246580), (130, 997264), (157, 825760), (160, 810277), (208, 623290), (260, 498632), (314, 412880), (397, 326560), (416, 311645), (520, 249316), (628, 206440), (785, 165152), (794, 163280), (1040, 124658), (1256, 103220), (1570, 82576), (1588, 81640), (1985, 65312), (2041, 63520), (2080, 62329), (2512, 51610), (3140, 41288), (3176, 40820), (3970, 32656), (4082, 31760), (5024, 25805), (5161, 25120), (6280, 20644), (6352, 20410), (7940, 16328), (8164, 15880), (10205, 12704), (10322, 12560)]