39841971280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{41299}}^1$

素因数の和:41732

約数の個数: 80

約数和(自身を含む): 95868864000

約数和(自身を除く): 56026892720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 389, 496, 620, 778, 1240, 1556, 1945, 2480, 3112, 3890, 6224, 7780, 12059, 15560, 24118, 31120, 41299, 48236, 60295, 82598, 96472, 120590, 165196, 192944, 206495, 241180, 330392, 412990, 482360, 660784, 825980, 964720, 1280269, 1651960, 2560538, 3303920, 5121076, 6401345, 10242152, 12802690, 16065311, 20484304, 25605380, 32130622, 51210760, 64261244, 80326555, 102421520, 128522488, 160653110, 257044976, 321306220, 498024641, 642612440, 996049282, 1285224880, 1992098564, 2490123205, 3984197128, 4980246410, 7968394256, 9960492820, 19920985640, 39841971280]

約数ペア:

[(1, 39841971280), (2, 19920985640), (4, 9960492820), (5, 7968394256), (8, 4980246410), (10, 3984197128), (16, 2490123205), (20, 1992098564), (31, 1285224880), (40, 996049282), (62, 642612440), (80, 498024641), (124, 321306220), (155, 257044976), (248, 160653110), (310, 128522488), (389, 102421520), (496, 80326555), (620, 64261244), (778, 51210760), (1240, 32130622), (1556, 25605380), (1945, 20484304), (2480, 16065311), (3112, 12802690), (3890, 10242152), (6224, 6401345), (7780, 5121076), (12059, 3303920), (15560, 2560538), (24118, 1651960), (31120, 1280269), (41299, 964720), (48236, 825980), (60295, 660784), (82598, 482360), (96472, 412990), (120590, 330392), (165196, 241180), (192944, 206495)]