16898603440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{17791}}^1$

素因数の和:18218

約数の個数: 80

約数和(自身を含む): 40664825856

約数和(自身を除く): 23766222416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 383, 496, 620, 766, 1240, 1532, 1915, 2480, 3064, 3830, 6128, 7660, 11873, 15320, 17791, 23746, 30640, 35582, 47492, 59365, 71164, 88955, 94984, 118730, 142328, 177910, 189968, 237460, 284656, 355820, 474920, 551521, 711640, 949840, 1103042, 1423280, 2206084, 2757605, 4412168, 5515210, 6813953, 8824336, 11030420, 13627906, 22060840, 27255812, 34069765, 44121680, 54511624, 68139530, 109023248, 136279060, 211232543, 272558120, 422465086, 545116240, 844930172, 1056162715, 1689860344, 2112325430, 3379720688, 4224650860, 8449301720, 16898603440]

約数ペア:

[(1, 16898603440), (2, 8449301720), (4, 4224650860), (5, 3379720688), (8, 2112325430), (10, 1689860344), (16, 1056162715), (20, 844930172), (31, 545116240), (40, 422465086), (62, 272558120), (80, 211232543), (124, 136279060), (155, 109023248), (248, 68139530), (310, 54511624), (383, 44121680), (496, 34069765), (620, 27255812), (766, 22060840), (1240, 13627906), (1532, 11030420), (1915, 8824336), (2480, 6813953), (3064, 5515210), (3830, 4412168), (6128, 2757605), (7660, 2206084), (11873, 1423280), (15320, 1103042), (17791, 949840), (23746, 711640), (30640, 551521), (35582, 474920), (47492, 355820), (59365, 284656), (71164, 237460), (88955, 189968), (94984, 177910), (118730, 142328)]