20132745040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{779131}}^1$

素因数の和:779180

約数の個数: 80

約数和(自身を含む): 52170678720

約数和(自身を除く): 32037933680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 25840, 779131, 1558262, 3116524, 3895655, 6233048, 7791310, 12466096, 13245227, 14803489, 15582620, 26490454, 29606978, 31165240, 52980908, 59213956, 62330480, 66226135, 74017445, 105961816, 118427912, 132452270, 148034890, 211923632, 236855824, 251659313, 264904540, 296069780, 503318626, 529809080, 592139560, 1006637252, 1059618160, 1184279120, 1258296565, 2013274504, 2516593130, 4026549008, 5033186260, 10066372520, 20132745040]

約数ペア:

[(1, 20132745040), (2, 10066372520), (4, 5033186260), (5, 4026549008), (8, 2516593130), (10, 2013274504), (16, 1258296565), (17, 1184279120), (19, 1059618160), (20, 1006637252), (34, 592139560), (38, 529809080), (40, 503318626), (68, 296069780), (76, 264904540), (80, 251659313), (85, 236855824), (95, 211923632), (136, 148034890), (152, 132452270), (170, 118427912), (190, 105961816), (272, 74017445), (304, 66226135), (323, 62330480), (340, 59213956), (380, 52980908), (646, 31165240), (680, 29606978), (760, 26490454), (1292, 15582620), (1360, 14803489), (1520, 13245227), (1615, 12466096), (2584, 7791310), (3230, 6233048), (5168, 3895655), (6460, 3116524), (12920, 1558262), (25840, 779131)]