16722640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 43854336

約数和(自身を除く): 27131696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 613, 620, 682, 880, 1226, 1240, 1364, 1705, 2452, 2480, 2728, 3065, 3410, 4904, 5456, 6130, 6743, 6820, 9808, 12260, 13486, 13640, 19003, 24520, 26972, 27280, 33715, 38006, 49040, 53944, 67430, 76012, 95015, 107888, 134860, 152024, 190030, 209033, 269720, 304048, 380060, 418066, 539440, 760120, 836132, 1045165, 1520240, 1672264, 2090330, 3344528, 4180660, 8361320, 16722640]

約数ペア:

[(1, 16722640), (2, 8361320), (4, 4180660), (5, 3344528), (8, 2090330), (10, 1672264), (11, 1520240), (16, 1045165), (20, 836132), (22, 760120), (31, 539440), (40, 418066), (44, 380060), (55, 304048), (62, 269720), (80, 209033), (88, 190030), (110, 152024), (124, 134860), (155, 107888), (176, 95015), (220, 76012), (248, 67430), (310, 53944), (341, 49040), (440, 38006), (496, 33715), (613, 27280), (620, 26972), (682, 24520), (880, 19003), (1226, 13640), (1240, 13486), (1364, 12260), (1705, 9808), (2452, 6820), (2480, 6743), (2728, 6130), (3065, 5456), (3410, 4904)]