99971680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10243}}^1$

素因数の和:10319

約数の個数: 48

約数和(自身を含む): 240078384

約数和(自身を除く): 140106704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 10243, 20486, 40972, 51215, 81944, 102430, 163888, 204860, 327776, 409720, 624823, 819440, 1249646, 1638880, 2499292, 3124115, 4998584, 6248230, 9997168, 12496460, 19994336, 24992920, 49985840, 99971680]

約数ペア:

[(1, 99971680), (2, 49985840), (4, 24992920), (5, 19994336), (8, 12496460), (10, 9997168), (16, 6248230), (20, 4998584), (32, 3124115), (40, 2499292), (61, 1638880), (80, 1249646), (122, 819440), (160, 624823), (244, 409720), (305, 327776), (488, 204860), (610, 163888), (976, 102430), (1220, 81944), (1952, 51215), (2440, 40972), (4880, 20486), (9760, 10243)]