80713984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 176274560

約数和(自身を除く): 95560576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 307, 316, 416, 614, 632, 832, 1027, 1228, 1264, 1664, 2054, 2456, 2528, 3328, 3991, 4108, 4912, 5056, 7982, 8216, 9824, 10112, 15964, 16432, 19648, 20224, 24253, 31928, 32864, 39296, 48506, 63856, 65728, 78592, 97012, 127712, 131456, 194024, 255424, 262912, 315289, 388048, 510848, 630578, 776096, 1021696, 1261156, 1552192, 2522312, 3104384, 5044624, 6208768, 10089248, 20178496, 40356992, 80713984]

約数ペア:

[(1, 80713984), (2, 40356992), (4, 20178496), (8, 10089248), (13, 6208768), (16, 5044624), (26, 3104384), (32, 2522312), (52, 1552192), (64, 1261156), (79, 1021696), (104, 776096), (128, 630578), (158, 510848), (208, 388048), (256, 315289), (307, 262912), (316, 255424), (416, 194024), (614, 131456), (632, 127712), (832, 97012), (1027, 78592), (1228, 65728), (1264, 63856), (1664, 48506), (2054, 39296), (2456, 32864), (2528, 31928), (3328, 24253), (3991, 20224), (4108, 19648), (4912, 16432), (5056, 15964), (7982, 10112), (8216, 9824)]