20080140256

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1256

約数の個数: 96

約数和(自身を含む): 43491603456

約数和(自身を除く): 23411463200

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 352, 446, 491, 521, 892, 982, 1042, 1784, 1964, 2084, 2453, 3568, 3928, 4168, 4906, 5401, 5731, 7136, 7856, 8336, 9812, 10802, 11462, 15712, 16672, 19624, 21604, 22924, 39248, 43208, 45848, 78496, 86416, 91696, 109493, 116183, 172832, 183392, 218986, 232366, 255811, 437972, 464732, 511622, 875944, 929464, 1023244, 1204423, 1278013, 1751888, 1858928, 2046488, 2408846, 2556026, 2813921, 3503776, 3717856, 4092976, 4817692, 5112052, 5627842, 8185952, 9635384, 10224104, 11255684, 19270768, 20448208, 22511368, 38541536, 40896416, 45022736, 57045853, 90045472, 114091706, 228183412, 456366824, 627504383, 912733648, 1255008766, 1825467296, 2510017532, 5020035064, 10040070128, 20080140256]

約数ペア:

[(1, 20080140256), (2, 10040070128), (4, 5020035064), (8, 2510017532), (11, 1825467296), (16, 1255008766), (22, 912733648), (32, 627504383), (44, 456366824), (88, 228183412), (176, 114091706), (223, 90045472), (352, 57045853), (446, 45022736), (491, 40896416), (521, 38541536), (892, 22511368), (982, 20448208), (1042, 19270768), (1784, 11255684), (1964, 10224104), (2084, 9635384), (2453, 8185952), (3568, 5627842), (3928, 5112052), (4168, 4817692), (4906, 4092976), (5401, 3717856), (5731, 3503776), (7136, 2813921), (7856, 2556026), (8336, 2408846), (9812, 2046488), (10802, 1858928), (11462, 1751888), (15712, 1278013), (16672, 1204423), (19624, 1023244), (21604, 929464), (22924, 875944), (39248, 511622), (43208, 464732), (45848, 437972), (78496, 255811), (86416, 232366), (91696, 218986), (109493, 183392), (116183, 172832)]