7778720

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 18701928

約数和(自身を除く): 10923208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 797, 976, 1220, 1594, 1952, 2440, 3188, 3985, 4880, 6376, 7970, 9760, 12752, 15940, 25504, 31880, 48617, 63760, 97234, 127520, 194468, 243085, 388936, 486170, 777872, 972340, 1555744, 1944680, 3889360, 7778720]

約数ペア:

[(1, 7778720), (2, 3889360), (4, 1944680), (5, 1555744), (8, 972340), (10, 777872), (16, 486170), (20, 388936), (32, 243085), (40, 194468), (61, 127520), (80, 97234), (122, 63760), (160, 48617), (244, 31880), (305, 25504), (488, 15940), (610, 12752), (797, 9760), (976, 7970), (1220, 6376), (1594, 4880), (1952, 3985), (2440, 3188)]