20307200

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 108

約数和(自身を含む): 53225760

約数和(自身を除く): 32918560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 167, 190, 200, 256, 304, 320, 334, 380, 400, 475, 608, 640, 668, 760, 800, 835, 950, 1216, 1280, 1336, 1520, 1600, 1670, 1900, 2432, 2672, 3040, 3173, 3200, 3340, 3800, 4175, 4864, 5344, 6080, 6346, 6400, 6680, 7600, 8350, 10688, 12160, 12692, 13360, 15200, 15865, 16700, 21376, 24320, 25384, 26720, 30400, 31730, 33400, 42752, 50768, 53440, 60800, 63460, 66800, 79325, 101536, 106880, 121600, 126920, 133600, 158650, 203072, 213760, 253840, 267200, 317300, 406144, 507680, 534400, 634600, 812288, 1015360, 1068800, 1269200, 2030720, 2538400, 4061440, 5076800, 10153600, 20307200]

約数ペア:

[(1, 20307200), (2, 10153600), (4, 5076800), (5, 4061440), (8, 2538400), (10, 2030720), (16, 1269200), (19, 1068800), (20, 1015360), (25, 812288), (32, 634600), (38, 534400), (40, 507680), (50, 406144), (64, 317300), (76, 267200), (80, 253840), (95, 213760), (100, 203072), (128, 158650), (152, 133600), (160, 126920), (167, 121600), (190, 106880), (200, 101536), (256, 79325), (304, 66800), (320, 63460), (334, 60800), (380, 53440), (400, 50768), (475, 42752), (608, 33400), (640, 31730), (668, 30400), (760, 26720), (800, 25384), (835, 24320), (950, 21376), (1216, 16700), (1280, 15865), (1336, 15200), (1520, 13360), (1600, 12692), (1670, 12160), (1900, 10688), (2432, 8350), (2672, 7600), (3040, 6680), (3173, 6400), (3200, 6346), (3340, 6080), (3800, 5344), (4175, 4864)]