40591840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4235

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 56901920

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, 4159, 4880, 8318, 9760, 16636, 20795, 33272, 41590, 66544, 83180, 133088, 166360, 253699, 332720, 507398, 665440, 1014796, 1268495, 2029592, 2536990, 4059184, 5073980, 8118368, 10147960, 20295920, 40591840]

約数ペア:

[(1, 40591840), (2, 20295920), (4, 10147960), (5, 8118368), (8, 5073980), (10, 4059184), (16, 2536990), (20, 2029592), (32, 1268495), (40, 1014796), (61, 665440), (80, 507398), (122, 332720), (160, 253699), (244, 166360), (305, 133088), (488, 83180), (610, 66544), (976, 41590), (1220, 33272), (1952, 20795), (2440, 16636), (4159, 9760), (4880, 8318)]