64725220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20140

約数の個数: 48

約数和(自身を含む): 162102528

約数和(自身を除く): 97377308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20101, 40202, 80404, 100505, 140707, 201010, 281414, 402020, 462323, 562828, 703535, 924646, 1407070, 1849292, 2311615, 2814140, 3236261, 4623230, 6472522, 9246460, 12945044, 16181305, 32362610, 64725220]

約数ペア:

[(1, 64725220), (2, 32362610), (4, 16181305), (5, 12945044), (7, 9246460), (10, 6472522), (14, 4623230), (20, 3236261), (23, 2814140), (28, 2311615), (35, 1849292), (46, 1407070), (70, 924646), (92, 703535), (115, 562828), (140, 462323), (161, 402020), (230, 281414), (322, 201010), (460, 140707), (644, 100505), (805, 80404), (1610, 40202), (3220, 20101)]