38283440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 96931296

約数和(自身を除く): 58647856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 281, 520, 524, 562, 655, 1040, 1048, 1124, 1310, 1405, 1703, 2096, 2248, 2620, 2810, 3406, 3653, 4496, 5240, 5620, 6812, 7306, 8515, 10480, 11240, 13624, 14612, 17030, 18265, 22480, 27248, 29224, 34060, 36530, 36811, 58448, 68120, 73060, 73622, 136240, 146120, 147244, 184055, 292240, 294488, 368110, 478543, 588976, 736220, 957086, 1472440, 1914172, 2392715, 2944880, 3828344, 4785430, 7656688, 9570860, 19141720, 38283440]

約数ペア:

[(1, 38283440), (2, 19141720), (4, 9570860), (5, 7656688), (8, 4785430), (10, 3828344), (13, 2944880), (16, 2392715), (20, 1914172), (26, 1472440), (40, 957086), (52, 736220), (65, 588976), (80, 478543), (104, 368110), (130, 294488), (131, 292240), (208, 184055), (260, 147244), (262, 146120), (281, 136240), (520, 73622), (524, 73060), (562, 68120), (655, 58448), (1040, 36811), (1048, 36530), (1124, 34060), (1310, 29224), (1405, 27248), (1703, 22480), (2096, 18265), (2248, 17030), (2620, 14612), (2810, 13624), (3406, 11240), (3653, 10480), (4496, 8515), (5240, 7306), (5620, 6812)]