16403920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15773}}^1$

素因数の和:15799

約数の個数: 40

約数和(自身を含む): 41075496

約数和(自身を除く): 24671576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15773, 31546, 63092, 78865, 126184, 157730, 205049, 252368, 315460, 410098, 630920, 820196, 1025245, 1261840, 1640392, 2050490, 3280784, 4100980, 8201960, 16403920]

約数ペア:

[(1, 16403920), (2, 8201960), (4, 4100980), (5, 3280784), (8, 2050490), (10, 1640392), (13, 1261840), (16, 1025245), (20, 820196), (26, 630920), (40, 410098), (52, 315460), (65, 252368), (80, 205049), (104, 157730), (130, 126184), (208, 78865), (260, 63092), (520, 31546), (1040, 15773)]