80297440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16189}}^1$

素因数の和:16235

約数の個数: 48

約数和(自身を含む): 195834240

約数和(自身を除く): 115536800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16189, 32378, 64756, 80945, 129512, 161890, 259024, 323780, 501859, 518048, 647560, 1003718, 1295120, 2007436, 2509295, 2590240, 4014872, 5018590, 8029744, 10037180, 16059488, 20074360, 40148720, 80297440]

約数ペア:

[(1, 80297440), (2, 40148720), (4, 20074360), (5, 16059488), (8, 10037180), (10, 8029744), (16, 5018590), (20, 4014872), (31, 2590240), (32, 2509295), (40, 2007436), (62, 1295120), (80, 1003718), (124, 647560), (155, 518048), (160, 501859), (248, 323780), (310, 259024), (496, 161890), (620, 129512), (992, 80945), (1240, 64756), (2480, 32378), (4960, 16189)]