40106560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 106509312

約数和(自身を除く): 66402752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 311, 320, 403, 416, 496, 520, 620, 622, 806, 832, 992, 1040, 1240, 1244, 1555, 1612, 1984, 2015, 2080, 2480, 2488, 3110, 3224, 4030, 4043, 4160, 4960, 4976, 6220, 6448, 8060, 8086, 9641, 9920, 9952, 12440, 12896, 16120, 16172, 19282, 19904, 20215, 24880, 25792, 32240, 32344, 38564, 40430, 48205, 49760, 64480, 64688, 77128, 80860, 96410, 99520, 125333, 128960, 129376, 154256, 161720, 192820, 250666, 258752, 308512, 323440, 385640, 501332, 617024, 626665, 646880, 771280, 1002664, 1253330, 1293760, 1542560, 2005328, 2506660, 3085120, 4010656, 5013320, 8021312, 10026640, 20053280, 40106560]

約数ペア:

[(1, 40106560), (2, 20053280), (4, 10026640), (5, 8021312), (8, 5013320), (10, 4010656), (13, 3085120), (16, 2506660), (20, 2005328), (26, 1542560), (31, 1293760), (32, 1253330), (40, 1002664), (52, 771280), (62, 646880), (64, 626665), (65, 617024), (80, 501332), (104, 385640), (124, 323440), (130, 308512), (155, 258752), (160, 250666), (208, 192820), (248, 161720), (260, 154256), (310, 129376), (311, 128960), (320, 125333), (403, 99520), (416, 96410), (496, 80860), (520, 77128), (620, 64688), (622, 64480), (806, 49760), (832, 48205), (992, 40430), (1040, 38564), (1240, 32344), (1244, 32240), (1555, 25792), (1612, 24880), (1984, 20215), (2015, 19904), (2080, 19282), (2480, 16172), (2488, 16120), (3110, 12896), (3224, 12440), (4030, 9952), (4043, 9920), (4160, 9641), (4960, 8086), (4976, 8060), (6220, 6448)]