17218640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 25207216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 131, 155, 212, 248, 262, 265, 310, 424, 496, 524, 530, 620, 655, 848, 1048, 1060, 1240, 1310, 1643, 2096, 2120, 2480, 2620, 3286, 4061, 4240, 5240, 6572, 6943, 8122, 8215, 10480, 13144, 13886, 16244, 16430, 20305, 26288, 27772, 32488, 32860, 34715, 40610, 55544, 64976, 65720, 69430, 81220, 111088, 131440, 138860, 162440, 215233, 277720, 324880, 430466, 555440, 860932, 1076165, 1721864, 2152330, 3443728, 4304660, 8609320, 17218640]

約数ペア:

[(1, 17218640), (2, 8609320), (4, 4304660), (5, 3443728), (8, 2152330), (10, 1721864), (16, 1076165), (20, 860932), (31, 555440), (40, 430466), (53, 324880), (62, 277720), (80, 215233), (106, 162440), (124, 138860), (131, 131440), (155, 111088), (212, 81220), (248, 69430), (262, 65720), (265, 64976), (310, 55544), (424, 40610), (496, 34715), (524, 32860), (530, 32488), (620, 27772), (655, 26288), (848, 20305), (1048, 16430), (1060, 16244), (1240, 13886), (1310, 13144), (1643, 10480), (2096, 8215), (2120, 8122), (2480, 6943), (2620, 6572), (3286, 5240), (4061, 4240)]