203889920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12253}}^1$

素因数の和:12287

約数の個数: 72

約数和(自身を含む): 525990696

約数和(自身を除く): 322100776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 12253, 16640, 24506, 49012, 61265, 98024, 122530, 159289, 196048, 245060, 318578, 392096, 490120, 637156, 784192, 796445, 980240, 1274312, 1568384, 1592890, 1960480, 2548624, 3136768, 3185780, 3920960, 5097248, 6371560, 7841920, 10194496, 12743120, 15683840, 20388992, 25486240, 40777984, 50972480, 101944960, 203889920]

約数ペア:

[(1, 203889920), (2, 101944960), (4, 50972480), (5, 40777984), (8, 25486240), (10, 20388992), (13, 15683840), (16, 12743120), (20, 10194496), (26, 7841920), (32, 6371560), (40, 5097248), (52, 3920960), (64, 3185780), (65, 3136768), (80, 2548624), (104, 1960480), (128, 1592890), (130, 1568384), (160, 1274312), (208, 980240), (256, 796445), (260, 784192), (320, 637156), (416, 490120), (520, 392096), (640, 318578), (832, 245060), (1040, 196048), (1280, 159289), (1664, 122530), (2080, 98024), (3328, 61265), (4160, 49012), (8320, 24506), (12253, 16640)]