40621840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 115117632

約数和(自身を除く): 74495792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 251, 272, 280, 289, 340, 476, 502, 560, 578, 595, 680, 952, 1004, 1156, 1190, 1255, 1360, 1445, 1757, 1904, 2008, 2023, 2312, 2380, 2510, 2890, 3514, 4016, 4046, 4267, 4624, 4760, 5020, 5780, 7028, 8092, 8534, 8785, 9520, 10040, 10115, 11560, 14056, 16184, 17068, 17570, 20080, 20230, 21335, 23120, 28112, 29869, 32368, 34136, 35140, 40460, 42670, 59738, 68272, 70280, 72539, 80920, 85340, 119476, 140560, 145078, 149345, 161840, 170680, 238952, 290156, 298690, 341360, 362695, 477904, 507773, 580312, 597380, 725390, 1015546, 1160624, 1194760, 1450780, 2031092, 2389520, 2538865, 2901560, 4062184, 5077730, 5803120, 8124368, 10155460, 20310920, 40621840]

約数ペア:

[(1, 40621840), (2, 20310920), (4, 10155460), (5, 8124368), (7, 5803120), (8, 5077730), (10, 4062184), (14, 2901560), (16, 2538865), (17, 2389520), (20, 2031092), (28, 1450780), (34, 1194760), (35, 1160624), (40, 1015546), (56, 725390), (68, 597380), (70, 580312), (80, 507773), (85, 477904), (112, 362695), (119, 341360), (136, 298690), (140, 290156), (170, 238952), (238, 170680), (251, 161840), (272, 149345), (280, 145078), (289, 140560), (340, 119476), (476, 85340), (502, 80920), (560, 72539), (578, 70280), (595, 68272), (680, 59738), (952, 42670), (1004, 40460), (1156, 35140), (1190, 34136), (1255, 32368), (1360, 29869), (1445, 28112), (1757, 23120), (1904, 21335), (2008, 20230), (2023, 20080), (2312, 17570), (2380, 17068), (2510, 16184), (2890, 14056), (3514, 11560), (4016, 10115), (4046, 10040), (4267, 9520), (4624, 8785), (4760, 8534), (5020, 8092), (5780, 7028)]