20162218240

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{162389}}^1$

素因数の和:162507

約数の個数: 72

約数和(自身を含む): 48792998520

約数和(自身を除く): 28630780280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 640, 776, 970, 1280, 1552, 1940, 3104, 3880, 6208, 7760, 12416, 15520, 24832, 31040, 62080, 124160, 162389, 324778, 649556, 811945, 1299112, 1623890, 2598224, 3247780, 5196448, 6495560, 10392896, 12991120, 15751733, 20785792, 25982240, 31503466, 41571584, 51964480, 63006932, 78758665, 103928960, 126013864, 157517330, 207857920, 252027728, 315034660, 504055456, 630069320, 1008110912, 1260138640, 2016221824, 2520277280, 4032443648, 5040554560, 10081109120, 20162218240]

約数ペア:

[(1, 20162218240), (2, 10081109120), (4, 5040554560), (5, 4032443648), (8, 2520277280), (10, 2016221824), (16, 1260138640), (20, 1008110912), (32, 630069320), (40, 504055456), (64, 315034660), (80, 252027728), (97, 207857920), (128, 157517330), (160, 126013864), (194, 103928960), (256, 78758665), (320, 63006932), (388, 51964480), (485, 41571584), (640, 31503466), (776, 25982240), (970, 20785792), (1280, 15751733), (1552, 12991120), (1940, 10392896), (3104, 6495560), (3880, 5196448), (6208, 3247780), (7760, 2598224), (12416, 1623890), (15520, 1299112), (24832, 811945), (31040, 649556), (62080, 324778), (124160, 162389)]