20199256250

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{170099}}^1$

素因数の和:170145

約数の個数: 48

約数和(自身を含む): 39864636000

約数和(自身を除く): 19665379750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 3125, 4750, 6250, 11875, 23750, 59375, 118750, 170099, 340198, 850495, 1700990, 3231881, 4252475, 6463762, 8504950, 16159405, 21262375, 32318810, 42524750, 80797025, 106311875, 161594050, 212623750, 403985125, 531559375, 807970250, 1063118750, 2019925625, 4039851250, 10099628125, 20199256250]

約数ペア:

[(1, 20199256250), (2, 10099628125), (5, 4039851250), (10, 2019925625), (19, 1063118750), (25, 807970250), (38, 531559375), (50, 403985125), (95, 212623750), (125, 161594050), (190, 106311875), (250, 80797025), (475, 42524750), (625, 32318810), (950, 21262375), (1250, 16159405), (2375, 8504950), (3125, 6463762), (4750, 4252475), (6250, 3231881), (11875, 1700990), (23750, 850495), (59375, 340198), (118750, 170099)]