12653840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2667

約数の個数: 40

約数和(自身を含む): 29914008

約数和(自身を除く): 17260168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2593, 4880, 5186, 10372, 12965, 20744, 25930, 41488, 51860, 103720, 158173, 207440, 316346, 632692, 790865, 1265384, 1581730, 2530768, 3163460, 6326920, 12653840]

約数ペア:

[(1, 12653840), (2, 6326920), (4, 3163460), (5, 2530768), (8, 1581730), (10, 1265384), (16, 790865), (20, 632692), (40, 316346), (61, 207440), (80, 158173), (122, 103720), (244, 51860), (305, 41488), (488, 25930), (610, 20744), (976, 12965), (1220, 10372), (2440, 5186), (2593, 4880)]