28713440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 80123904

約数和(自身を除く): 51410464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 827, 868, 992, 1085, 1120, 1240, 1654, 1736, 2170, 2480, 3308, 3472, 4135, 4340, 4960, 5789, 6616, 6944, 8270, 8680, 11578, 13232, 16540, 17360, 23156, 25637, 26464, 28945, 33080, 34720, 46312, 51274, 57890, 66160, 92624, 102548, 115780, 128185, 132320, 179459, 185248, 205096, 231560, 256370, 358918, 410192, 463120, 512740, 717836, 820384, 897295, 926240, 1025480, 1435672, 1794590, 2050960, 2871344, 3589180, 4101920, 5742688, 7178360, 14356720, 28713440]

約数ペア:

[(1, 28713440), (2, 14356720), (4, 7178360), (5, 5742688), (7, 4101920), (8, 3589180), (10, 2871344), (14, 2050960), (16, 1794590), (20, 1435672), (28, 1025480), (31, 926240), (32, 897295), (35, 820384), (40, 717836), (56, 512740), (62, 463120), (70, 410192), (80, 358918), (112, 256370), (124, 231560), (140, 205096), (155, 185248), (160, 179459), (217, 132320), (224, 128185), (248, 115780), (280, 102548), (310, 92624), (434, 66160), (496, 57890), (560, 51274), (620, 46312), (827, 34720), (868, 33080), (992, 28945), (1085, 26464), (1120, 25637), (1240, 23156), (1654, 17360), (1736, 16540), (2170, 13232), (2480, 11578), (3308, 8680), (3472, 8270), (4135, 6944), (4340, 6616), (4960, 5789)]