49985840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10243}}^1$

素因数の和:10317

約数の個数: 40

約数和(自身を含む): 118133808

約数和(自身を除く): 68147968

約数列:

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

約数ペア:

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