16160499940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{111191}}^1$

素因数の和:111269

約数の個数: 72

約数和(自身を含む): 37603355328

約数和(自身を除く): 21442855388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 5590, 7267, 11180, 14534, 29068, 36335, 72670, 111191, 145340, 222382, 444764, 555955, 1111910, 1445483, 2223820, 2890966, 4781213, 5781932, 7227415, 9562426, 14454830, 18791279, 19124852, 23906065, 28909660, 37582558, 47812130, 62155769, 75165116, 93956395, 95624260, 124311538, 187912790, 248623076, 310778845, 375825580, 621557690, 808024997, 1243115380, 1616049994, 3232099988, 4040124985, 8080249970, 16160499940]

約数ペア:

[(1, 16160499940), (2, 8080249970), (4, 4040124985), (5, 3232099988), (10, 1616049994), (13, 1243115380), (20, 808024997), (26, 621557690), (43, 375825580), (52, 310778845), (65, 248623076), (86, 187912790), (130, 124311538), (169, 95624260), (172, 93956395), (215, 75165116), (260, 62155769), (338, 47812130), (430, 37582558), (559, 28909660), (676, 23906065), (845, 19124852), (860, 18791279), (1118, 14454830), (1690, 9562426), (2236, 7227415), (2795, 5781932), (3380, 4781213), (5590, 2890966), (7267, 2223820), (11180, 1445483), (14534, 1111910), (29068, 555955), (36335, 444764), (72670, 222382), (111191, 145340)]