28400960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 112

約数和(自身を含む): 79979520

約数和(自身を除く): 51578560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 409, 434, 448, 496, 560, 620, 818, 868, 992, 1085, 1120, 1240, 1636, 1736, 1984, 2045, 2170, 2240, 2480, 2863, 3272, 3472, 4090, 4340, 4960, 5726, 6544, 6944, 8180, 8680, 9920, 11452, 12679, 13088, 13888, 14315, 16360, 17360, 22904, 25358, 26176, 28630, 32720, 34720, 45808, 50716, 57260, 63395, 65440, 69440, 88753, 91616, 101432, 114520, 126790, 130880, 177506, 183232, 202864, 229040, 253580, 355012, 405728, 443765, 458080, 507160, 710024, 811456, 887530, 916160, 1014320, 1420048, 1775060, 2028640, 2840096, 3550120, 4057280, 5680192, 7100240, 14200480, 28400960]

約数ペア:

[(1, 28400960), (2, 14200480), (4, 7100240), (5, 5680192), (7, 4057280), (8, 3550120), (10, 2840096), (14, 2028640), (16, 1775060), (20, 1420048), (28, 1014320), (31, 916160), (32, 887530), (35, 811456), (40, 710024), (56, 507160), (62, 458080), (64, 443765), (70, 405728), (80, 355012), (112, 253580), (124, 229040), (140, 202864), (155, 183232), (160, 177506), (217, 130880), (224, 126790), (248, 114520), (280, 101432), (310, 91616), (320, 88753), (409, 69440), (434, 65440), (448, 63395), (496, 57260), (560, 50716), (620, 45808), (818, 34720), (868, 32720), (992, 28630), (1085, 26176), (1120, 25358), (1240, 22904), (1636, 17360), (1736, 16360), (1984, 14315), (2045, 13888), (2170, 13088), (2240, 12679), (2480, 11452), (2863, 9920), (3272, 8680), (3472, 8180), (4090, 6944), (4340, 6544), (4960, 5726)]