128169200

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4602

約数の個数: 60

約数和(自身を含む): 312332688

約数和(自身を除く): 184163488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 4513, 5680, 7100, 9026, 14200, 18052, 22565, 28400, 36104, 45130, 72208, 90260, 112825, 180520, 225650, 320423, 361040, 451300, 640846, 902600, 1281692, 1602115, 1805200, 2563384, 3204230, 5126768, 6408460, 8010575, 12816920, 16021150, 25633840, 32042300, 64084600, 128169200]

約数ペア:

[(1, 128169200), (2, 64084600), (4, 32042300), (5, 25633840), (8, 16021150), (10, 12816920), (16, 8010575), (20, 6408460), (25, 5126768), (40, 3204230), (50, 2563384), (71, 1805200), (80, 1602115), (100, 1281692), (142, 902600), (200, 640846), (284, 451300), (355, 361040), (400, 320423), (568, 225650), (710, 180520), (1136, 112825), (1420, 90260), (1775, 72208), (2840, 45130), (3550, 36104), (4513, 28400), (5680, 22565), (7100, 18052), (9026, 14200)]